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Dave Koslo
George Bernard Koslo
born George Bernard Koslowski

Bats Left, Throws Left
Height 5' 11", Weight 180 lb.

Debut September 12, 1941
Final Game April 14, 1955
Born March 31, 1920 in Menasha, WI
Died December 1, 1975 in Menasha, WI

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Pitching Glossary / Hide Partial Seasons /

 Year Ag Tm  Lg  W   L   G   GS  CG SHO  GF SV   IP     H    R   ER   HR  BB   SO  HBP  WP  BFP  IBB  BK  ERA *lgERA *ERA+ WHIP
+--------------+---+---+---+---+---+---+---+--+------+----+----+----+---+----+----+---+---+-----+---+---+-----+-----+----+-----+
 1941 21 NYG NL   1   2   4   3   2   0   0  0   23.7   17    6    5   0   10   12   0   1    94       0  1.90  3.71  195 1.141
 1942 22 NYG NL   3   6  19  11   3   1   2  0   78.0   79   49   44   7   32   42   1   0   344       0  5.08  3.35   66 1.423
 1946 26 NYG NL  14  19  40  35  17   3   5  1  265.3  251  119  107  15  101  121   5   5  1136       0  3.63  3.45   95 1.327
 1947 27 NYG NL  15  10  39  31  10   3   6  0  217.3  223  118  106  23   82   86   3   5   958       0  4.39  4.07   93 1.403
 1948 28 NYG NL   8  10  35  18   5   3   6  3  149.0  168   69   64   7   62   58   1   1   655       0  3.87  3.95  102 1.544
 1949 29 NYG NL  11  14  38  23  15   0  12  4  212.0  193   72   59  13   43   64   0   3   856       0  2.50  4.00  160 1.113
 1950 30 NYG NL  13  15  40  22   7   1  15  3  186.7  190   89   81  18   68   56   5   2   794       0  3.91  4.10  105 1.382
 1951 31 NYG NL  10   9  39  16   5   2  17  3  149.7  153   68   55  18   45   54   2   0   644       0  3.31  3.92  118 1.323
 1952 32 NYG NL  10   7  41  17   8   2  11  5  166.3  154   66   59  10   47   67   2   2   691       0  3.19  3.69  116 1.208
 1953 33 NYG NL   6  12  37  12   2   0  14  2  111.7  135   70   59   8   36   36   1   1   496       1  4.76  4.32   91 1.531
 1954 34 TOT      1   2  15   1   0   0   4  1   31.7   33   13   11   1   12   10   0   1   134       0  3.13  3.67  117 1.421
         BAL AL   0   1   3   1   0   0   1  0   14.3   20    7    5   1    3    3   0   0    63       0  3.14  3.57  114 1.605
         MLN NL   1   1  12   0   0   0   3  1   17.3   13    6    6   0    9    7   0   1    71       0  3.12  3.75  120 1.269
 1955 35 MLN NL   0   1   1   0   0   0   1  0    0.0    1    1    1   1    0    0   0   0     1   0   0   inf  0.00    0   inf
+--------------+---+---+---+---+---+---+---+--+------+----+----+----+---+----+----+---+---+-----+---+---+-----+-----+----+-----+
 12 Yr WL% .462  92 107 348 189  74  15  93 22 1591.3 1597  740  651 121  538  606  20  21  6803   0   1  3.68  3.86  105 1.342
+--------------+---+---+---+---+---+---+---+--+------+----+----+----+---+----+----+---+---+-----+---+---+-----+-----+----+-----+
 162 Game Avg    11  13  44  23   9   1  11  2  201.3  202   93   82  15   68   76   2   2   861   0   0  3.68  3.86  105 1.342
 Career High     15  19  41  35  17   3  17  5  265.3  251  119  107  23  101  121   5   5  1136   0   1  2.50  4.32  160 1.113

* indicates the value is park adjusted (now all 3-year factors)

Batting Glossary / Hide Partial Seasons /

 Year Ag Tm  Lg  G   AB    R    H   2B 3B  HR  RBI  SB CS  BB  SO   BA   OBP   SLG *OPS+  TB   SH  SF IBB HBP GDP 
+--------------+---+----+----+----+---+--+---+----+---+--+---+---+-----+-----+-----+----+----+---+---+---+---+---+
 1941 21 NYG NL   4    9    0    1   0  0   0    0   0      0   7  .111  .111  .111  -38    1   0           0   0
 1942 22 NYG NL  19   25    4    3   2  0   0    1   0      2  10  .120  .185  .200   12    5   0           0   1
 1946 26 NYG NL  41   88    7   11   2  0   0    6   0      4  39  .125  .163  .148  -12   13   1           0   1
 1947 27 NYG NL  39   78    6   10   1  0   0    2   0      8  37  .128  .209  .141   -6   11   1           0   0
 1948 28 NYG NL  35   44    2    5   2  0   0    4   0      1  16  .114  .152  .159  -16    7   3           1   0
 1949 29 NYG NL  39   69    4   10   2  0   2    7   0      5  27  .145  .203  .261   23   18   6           0   1
 1950 30 NYG NL  40   65    4    8   1  0   1    6   0      6  24  .123  .197  .185    1   12   1           0   0
 1951 31 NYG NL  39   50    1    5   1  0   0    1   1  1   6  18  .100  .196  .120  -13    6   0           0   1
 1952 32 NYG NL  41   54    3    2   1  0   0    3   0  0   3  31  .037  .088  .056  -60    3   3           0   0
 1953 33 NYG NL  37   30    0    1   0  0   0    0   0  0   1  11  .033  .065  .033  -74    1   3           0   1
 1954 34 TOT     15    4    0    0   0  0   0    0   0  0   0   2  .000  .000  .000 -100    0   0   0       0   0
         BAL AL   3    3    0    0   0  0   0    0   0  0   0   2  .000  .000  .000 -100    0   0   0       0   0
         MLN NL  12    1    0    0   0  0   0    0   0  0   0   0  .000  .000  .000 -100    0   0   0       0   0
+--------------+---+----+----+----+---+--+---+----+---+--+---+---+-----+-----+-----+----+----+---+---+---+---+---+
 12 Seasons     350  516   31   56  12  0   3   30   1  1  36 222  .109  .168  .149  -13   77  18   0   0   1   5
+--------------+---+----+----+----+---+--+---+----+---+--+---+---+-----+-----+-----+----+----+---+---+---+---+---+
 162 Game Avg        239   14   26   6  0   1   14   0  0  17 103  .109  .168  .149  -13   36   8   0   0   0   2
 Career High     41   88    7   11   2  0   2    7   1  1   8  39                          18   6   0   0   1   1

Special Batting Glossary / Hide Partial Seasons

 Year Ag Tm  Lg  PA  Outs  RC  RC/G   AIR    BA *lgBA   OBP *lgOBP  SLG *lgSLG  OPS *lgOPS*OPS+  OWP *BtRns BtWin SB% 
+--------------+----+----+----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+----+-----+-----+-----+----+
 1941 21 NYG NL    9    8    0   0.0    96| .111  .268| .111  .339| .111  .378| .222  .717| -38  .000  -1.7  -0.2     
 1942 22 NYG NL   27   23    1   1.2    88| .120  .257| .185  .329| .200  .357| .385  .686|  12  .103  -2.8  -0.3     
 1946 26 NYG NL   93   79    2   0.7    93| .125  .264| .163  .339| .148  .369| .311  .708| -12  .037 -13.3  -1.4     
 1947 27 NYG NL   87   69    2   0.8   107| .128  .275| .209  .351| .141  .408| .350  .759|  -6  .036 -12.1  -1.2     
 1948 28 NYG NL   49   42    1   0.6   103| .114  .270| .152  .345| .159  .400| .311  .744| -16  .027  -7.3  -0.7     
 1949 29 NYG NL   80   66    4   1.6   104| .145  .270| .203  .344| .261  .405| .464  .749|  23  .130  -7.9  -0.8     
 1950 30 NYG NL   72   58    2   0.9   109| .123  .271| .197  .348| .185  .420| .382  .768|   1  .048  -9.8  -1.0     
 1951 31 NYG NL   56   47    1   0.6   104| .100  .269| .196  .343| .120  .407| .316  .750| -13  .022  -8.1  -0.8  50%
 1952 32 NYG NL   60   55    0   0.0    98| .037  .263| .088  .336| .056  .391| .144  .727| -60  .000 -11.9  -1.3   0%
 1953 33 NYG NL   34   33    0   0.0   112| .033  .276| .065  .348| .033  .431| .098  .779| -74  .000  -7.9  -0.8   0%
 1954 34 TOT       4    4    0   0.0    96| .000  .260| .000  .333| .000  .385| .000  .718|-100  .000  -1.1  -0.1   0%
         BAL AL    3    3    0   0.0    93| .000  .257| .000  .331| .000  .376| .000  .707|-100  .000  -0.8  -0.1   0%
         MLN NL    1    1    0   0.0   104| .000  .267| .000  .337| .000  .412| .000  .749|-100  .000  -0.3   0.0   0%
+--------------+----+----+----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+----+-----+-----+-----+----+
 12 Seasons      571  484   13   0.7   102| .109  .269| .168  .343| .149  .398| .317  .741| -13  .035 -83.8  -8.6     

* indicates the value is park adjusted (now all 3-year factors)

Fielding Glossary / Hide Partial Seasons

 Year Ag Tm  Lg Pos   G     PO    A    E   DP    FP   lgFP  RFg  lgRFg  RF9  lgRF9  GS   Inn  
+--------------+---+----+------+----+----+----+-----+-----+-----+-----+-----+-----+----+------+
+---- Fielding Sorted by Year ------+
 1941 21 NYG NL   P    4      0    3    1    0  .750  .968  0.75  1.10  1.14  2.24    3   23.7
 1942 22 NYG NL   P   19      1   13    1    0  .933  .966  0.74  1.17  1.62  2.35   11   78.0
 1946 26 NYG NL   P   40     10   61    3    1  .959  .959  1.77  1.01  2.41  2.24   35  265.3
 1947 27 NYG NL   P   39     13   36    2    2  .961  .966  1.26  0.91  2.03  2.12   31  217.3
 1948 28 NYG NL   P   35      8   24    0    1 1.000  .964  0.91  0.91  1.93  2.11   18  149.0
 1949 29 NYG NL   P   38      7   39    0    4 1.000  .952  1.21  0.91  1.95  2.04   23  212.0
 1950 30 NYG NL   P   40      5   37    2    3  .955  .961  1.05  0.97  2.02  2.12   22  186.7
 1951 31 NYG NL   P   39      7   38    0    2 1.000  .962  1.15  0.96  2.71  2.14   16  149.7
 1952 32 NYG NL   P   41     16   33    4    7  .925  .953  1.20  0.98  2.65  2.18   17  166.3
 1953 33 NYG NL   P   37      7   22    1    3  .967  .957  0.78  0.87  2.34  2.06   12  111.7
 1954 34 TOT      P   15      1    1    0    0 1.000  .952  0.13  0.88  0.57  2.05    1   31.6
         BAL AL   P    3      1    1    0    0 1.000  .952  0.67  0.93  1.26  2.01    1   14.3
         MLN NL   P   12      0    0    0    0              0.00  0.87  0.00  2.08    0   17.3
 1955 35 MLN NL   P    1      0    0    0    0              0.00  0.80                        
+---- Fielding Sorted by Position --+
 1941 21 NYG NL   P    4      0    3    1    0  .750  .968  0.75  1.10  1.14  2.24    3   23.7
 1942 22 NYG NL   P   19      1   13    1    0  .933  .966  0.74  1.17  1.62  2.35   11   78.0
 1946 26 NYG NL   P   40     10   61    3    1  .959  .959  1.77  1.01  2.41  2.24   35  265.3
 1947 27 NYG NL   P   39     13   36    2    2  .961  .966  1.26  0.91  2.03  2.12   31  217.3
 1948 28 NYG NL   P   35      8   24    0    1 1.000  .964  0.91  0.91  1.93  2.11   18  149.0
 1949 29 NYG NL   P   38      7   39    0    4 1.000  .952  1.21  0.91  1.95  2.04   23  212.0
 1950 30 NYG NL   P   40      5   37    2    3  .955  .961  1.05  0.97  2.02  2.12   22  186.7
 1951 31 NYG NL   P   39      7   38    0    2 1.000  .962  1.15  0.96  2.71  2.14   16  149.7
 1952 32 NYG NL   P   41     16   33    4    7  .925  .953  1.20  0.98  2.65  2.18   17  166.3
 1953 33 NYG NL   P   37      7   22    1    3  .967  .957  0.78  0.87  2.34  2.06   12  111.7
 1954 34 TOT      P   15      1    1    0    0 1.000  .952  0.13  0.88  0.57  2.05    1   31.6
         BAL AL   P    3      1    1    0    0 1.000  .952  0.67  0.93  1.26  2.01    1   14.3
         MLN NL   P   12      0    0    0    0              0.00  0.87  0.00  2.08    0   17.3
 1955 35 MLN NL   P    1      0    0    0    0              0.00  0.80                        
+--------------+---+----+------+----+----+----+-----+-----+-----+-----+-----+-----+----+------+
 Position Total   P* 348     75  307   14   23  .965  .960  1.10  0.95              189 1591.3
+--------------+---+----+------+----+----+----+-----+-----+-----+-----+-----+-----+----+------+
 Overall Total       348     75  307   14   23  .965  .960  1.10  0.95

An Important note about our fielding stats

Postseason Pitching Gamelogs / Vs. Batter

 Year   Round Tm  Opp WLser  G   GS   ERA   W  L SV CG   IP   H   ER  BB  SO
+------+-----+---+---+-----+---+---+------+--+--+--+--+-----+---+---+---+---+
 1951   WS    NYG NYY     L   2   2   3.00  1  1  0  1  15    12   5   7   6 
+------+-----+---+---+-----+---+---+------+--+--+--+--+-----+---+---+---+---+

Postseason Batting Gamelogs / Vs. Pitcher

 Year   Round Tm  Opp WLser  G   AB  R   H  2B 3B HR RBI  BB  SO   BA   OBP   SLG   SB CS  SH  SF HBP
+------+-----+---+---+-----+---+---+---+---+--+--+--+---+---+---+-----+-----+-----+---+--+---+---+---+
 1951   WS    NYG NYY     L   2   5   0   0  0  0  0   0   0   2  .000  .000  .000   0  0   2   0   0 
+------+-----+---+---+-----+---+---+---+---+--+--+--+---+---+---+-----+-----+-----+---+--+---+---+---+

WLser shows whether the player's team Won or Lost the series.

Appearances on Leaderboards and Awards Glossary

Awards are Year-League-Award, Stats are Year-Value-Rank, (Pos) for All-Star indicates starter & * indicates they played.

ERA
1949 NL-2.50-1

Wins
1946 NL-14-6
1947 NL-15-10

BB + H per IP (WHIP)
1949 NL-1.113-1

Hits Allowed/9IP
1949 NL-8.19-2

Bases on Balls/9IP
1949 NL-1.83-1

Strikeouts/9IP
1946 NL-4.10-9

Games
1946 NL-40-9

Saves
1949 NL-4-9
1950 NL-3-10
1952 NL-5-9

Innings
1946 NL-265.3-2

Strikeouts
1946 NL-121-4

Games Started
1946 NL-35-1
1947 NL-31-7

Comp. Games
1946 NL-17-3
1949 NL-15-7

Shutouts
1946 NL-3-6
1947 NL-3-6
1948 NL-3-6

Home Runs Allow.
1946 NL-15-2
1947 NL-23-1

Bases On Balls Allow.
1946 NL-101-4

Hits Allowed
1946 NL-251-1
1947 NL-223-8

SO to Walk
1949 NL-1.49-9

Losses
1946 NL-19-1
1949 NL-14-8
1950 NL-15-8

Earned Runs Allow.
1946 NL-107-1
1947 NL-106-1

Wild Pitches
1946 NL-5-3
1947 NL-5-8

Hit Batsmen
1946 NL-5-3

Batters Faced
1946 NL-1136-1
1947 NL-958-9

Adjusted ERA+
1949 NL-160-1

Black Ink: Pitching - 7 (324) (Average HOFer ≈ 40)
Gray Ink: Pitching - 42 (577) (Average HOFer ≈ 185)
HOF Standards: Pitching - 7.0 (1068) (Average HOFer ≈ 50)
HOF Monitor: Pitching - 11.0 (859) (Likely HOFer > 100)
Overall Rank in parentheses.

Act.- Denotes rank among active players, Car. - Denotes career rank
Click on the Car, Act or Year to see the career, active, or league leaderboard.

Transactions
September 1, 1941: Purchased by the New York Giants from the Milwaukee (American Association).
April 8, 1954: Purchased by the Baltimore Orioles from the New York Giants.
June 1, 1954: Released by the Baltimore Orioles.
July 20, 1954: Signed as a Free Agent with the Milwaukee Braves.
The transaction information used here was obtained free of charge from and is copyrighted by RetroSheet. Last transaction is September 30, 2007.

Uniforms
View Dave Koslo's uniforms at Dressed to the Nines
a Baseball Hall of Fame on-line exhibit

Other References

Error? Compare Search Baseball Index Other Links@google.com Baseball Library Baseball-Almanac.com DeadBallEra Obituary Retrosheet The Baseball Cube The Baseball Page WhatIfSports: Dave Koslo

Viewed 23163 times through July 26, 2008.
Name and misspellings: gearge George goerge Bernard Dave davey david Koslo

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Stats updated through July 25, 2008.

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ERA 1949 NL-2.50-1	Wins 1946 NL-14-6 1947 NL-15-10	BB + H per IP (WHIP) 1949 NL-1.113-1	Hits Allowed/9IP 1949 NL-8.19-2	Bases on Balls/9IP 1949 NL-1.83-1	Strikeouts/9IP 1946 NL-4.10-9
Games 1946 NL-40-9	Saves 1949 NL-4-9 1950 NL-3-10 1952 NL-5-9	Innings 1946 NL-265.3-2	Strikeouts 1946 NL-121-4	Games Started 1946 NL-35-1 1947 NL-31-7	Comp. Games 1946 NL-17-3 1949 NL-15-7
Shutouts 1946 NL-3-6 1947 NL-3-6 1948 NL-3-6	Home Runs Allow. 1946 NL-15-2 1947 NL-23-1	Bases On Balls Allow. 1946 NL-101-4	Hits Allowed 1946 NL-251-1 1947 NL-223-8	SO to Walk 1949 NL-1.49-9	Losses 1946 NL-19-1 1949 NL-14-8 1950 NL-15-8
Earned Runs Allow. 1946 NL-107-1 1947 NL-106-1	Wild Pitches 1946 NL-5-3 1947 NL-5-8	Hit Batsmen 1946 NL-5-3	Batters Faced 1946 NL-1136-1 1947 NL-958-9	Adjusted ERA+ 1949 NL-160-1