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Jason Jennings

Jason Ryan Jennings

Position: Pitcher
Bats: Left, Throws: Right
Height: 6' 2", Weight: 235 lb.

Born: July 17, 1978 in Dallas, TX
High School: Ralph H. Poteet HS (Mesquite, TX)
School: Baylor University (Waco, TX)
Drafted
by the Colorado Rockies in the 1st round (16th pick) of the 1999 amateur draft.
Signed June 9, 1999. (All Transactions)
Debut: August 23, 2001 (Age 23.037)
Rookie Status: Exceeded rookie limits during 2002 season [*]
Teams (by GP): Rockies/Rangers/Astros 2001-2009
Agents: Casey Close [*]
Final Game: August 26, 2009 (Age 31.040)
    About biographical information

Standard Fielding

Year Tm Lg Age Pos G GS CG Inn Ch PO A E DP Fld% Rdrs Rdrs/yr RF/9 RF/G lgFld% lgRF9 lgRFG SB CS CS% lgCS% PO Awards
2001 COL NL 22 P 7 7 1 39.1 11 4 7 0 3 1.000 2.52 1.57 .959 1.74 1.73 1 1 50% 34% 0
2002 COL NL 23 P 32 32 0 185.1 43 14 28 1 1 .977 2.04 1.31 .963 1.83 1.81 12 4 25% 32% 3 RoY-1
2003 COL NL 24 P 32 32 1 181.1 36 9 25 2 2 .944 0 0 1.69 1.06 .957 1.84 1.83 9 6 40% 31% 1
2004 COL NL 25 P 33 33 0 201.0 44 18 25 1 2 .977 -2 -2 1.93 1.30 .965 1.84 1.82 14 8 36% 28% 0
2005 COL NL 26 P 20 20 1 122.0 33 14 17 2 2 .939 -1 -2 2.29 1.55 .960 1.75 1.73 8 1 11% 29% 1
2006 COL NL 27 P 32 32 3 212.0 40 14 25 1 3 .975 -4 -4 1.66 1.22 .958 1.72 1.71 16 7 30% 28% 0
2007 HOU NL 28 P 19 18 0 99.0 11 6 5 0 0 1.000 -1 -2 1.00 0.58 .965 1.68 1.67 15 3 17% 25% 0
2008 TEX AL 29 P 6 6 0 27.1 8 4 3 1 0 .875 -1 -7 2.30 1.17 .952 1.61 1.58 0 1 100% 27% 0
2009 TEX AL 30 P 44 0 0 61.0 8 1 6 1 0 .875 -2 -7 1.03 0.16 .952 1.53 1.51 7 3 30% 26% 0
9 Seasons P 225 180 6 1128.1 234 84 141 9 13 .962 -11 -2 1.79 1.00 .960 1.77 1.71 82 34 29% 28% 5
9 Seasons TOT 225 180 6 1128.1 234 84 141 9 13 .962 -11 -14 1.79 1.00 .960 1.77 1.71 82 34 29% 28% 5
Note: Complete player games played data.
Fielding stats are a combination of official records and RetroSheet records. Both are likely to have substantial errors and will not match perfectly.
View Complete Notes on Fielding Data
Leagues historically made no effort to balance team, league, and player fielding stats. Since 1990 or so, computers have made this feasible, but prior to that there are hundreds or thousands of discrepancies each year in games played (even whether a player played a position), putouts, assists, double plays and errors.
  • Pre-1938 SB & CS data for catchers is estimated from catcher assists, games started and opposition stolen bases.
  • From 1938 on SB, CS, Pickoff, & WP data for catchers and pitchers is taken from play-by-play accounts in the retrosheet files. There are several hundred games without pbp from 1938 to 1973 and for those we may not have any data.
  • CG & GS come from the retrosheet data and should be complete and pretty accurate from 1914 on.
  • Innings played (like SB and CS) come from the retrosheet play-by-play data and should be considered mostly complete from 1938 to 1973 and complete from then on.
  • Stats (PO,A,G, etc) for LF-CF-RF positions (since 1914) is taken from play-by-play or box score data as available.
  • Stats (PO,A,G,etc) for C,P,1B,2B,3B,SS,OF positions is taken from the official reported totals and may have been corrected at various times since their publication.
  • For detailed information on which games retrosheet is missing play-by-play from 1938 to 1973, please see their most wanted games list
  • For detailed information on the availability of data on this site by year, see our data coverage page

Sabermetric Fielding

Year Tm Lg Age Pos Rtot Rtot/yr Rtz Rtzhm Rtzrd Rdp Rof Rctch Rdrs Rdrs/yr Rpm Rdp Rbnt Rof Rhr RerC RsbC RsbP
2001 COL NL 22 P
2002 COL NL 23 P
2003 COL NL 24 P 0 0 0 -1 1
2004 COL NL 25 P -2 -2 -2 0 0
2005 COL NL 26 P -1 -2 0 0 -1
2006 COL NL 27 P -4 -4 -2 -1 -1
2007 HOU NL 28 P -1 -2 0 0 -1
2008 TEX AL 29 P -1 -7 0 -1 0
2009 TEX AL 30 P -2 -7 -2 0 0 0
9 Seasons P -11 -2 -6 0 -3 -2
9 Seasons TOT -11 -14 -6 0 -3 -2

Appearances

Year Tm Lg Age G GS Batting Defense P C 1B 2B 3B SS LF CF RF OF DH PH PR
2001 COL NL 22 7 7 7 7 7 0 0 0 0 0 0 0 0 0 0 0 0
2002 COL NL 23 32 32 30 32 32 0 0 0 0 0 0 0 0 0 0 0 0
2003 COL NL 24 33 32 31 32 32 0 0 0 0 0 0 0 0 0 0 1 0
2004 COL NL 25 37 33 35 33 33 0 0 0 0 0 0 0 0 0 0 4 0
2005 COL NL 26 22 20 21 20 20 0 0 0 0 0 0 0 0 0 0 2 0
2006 COL NL 27 32 32 30 32 32 0 0 0 0 0 0 0 0 0 0 0 0
2007 HOU NL 28 21 18 19 19 19 0 0 0 0 0 0 0 0 0 0 2 0
2008 TEX AL 29 6 6 0 6 6 0 0 0 0 0 0 0 0 0 0 0 0
2009 TEX AL 30 44 0 4 44 44 0 0 0 0 0 0 0 0 0 0 0 0
9 Seasons 234 180 177 225 225 0 0 0 0 0 0 0 0 0 0 9 0
Appearances table is calculated solely from full RetroSheet play-by-play data available from 1973 on. A combination of RetroSheet (starting with the 1914 season) and non-RetroSheet data is used for other seasons.

Advanced Fielding -- P*

Putouts Assists Errors Double Plays
Year Tm Lg Age PA BIP% GBIP% Fld F2O% FC Tot Cgt 31 Tot 1B 2B Tot Cch Fld Thr ROE Tot 163 GB LD bFld bF2O%
2001 COL NL 22 174 75% 32% 8 100% 0 4 1 1 7 5 1 0 0 0 0 0 3 1 3 0 1 100%
2002 COL NL 23 808 78% 33% 28 100% 0 3 3 0 28 24 0 1 0 1 0 0 1 0 1 0 5 100%
2003 COL NL 24 820 77% 34% 25 84% 2 8 0 7 25 19 2 2 0 0 2 1 2 1 2 0 4 75%
2004 COL NL 25 925 77% 34% 31 87% 0 18 2 15 25 20 3 1 0 0 1 0 2 2 2 0 4 75%
2005 COL NL 26 551 77% 35% 20 90% 0 14 1 11 17 14 1 2 0 2 0 1 2 1 1 1 7 86%
2006 COL NL 27 902 78% 32% 33 82% 0 14 3 8 25 19 3 1 0 0 1 1 3 1 2 1 5 60%
2007 HOU NL 28 445 81% 27% 5 100% 0 6 1 4 5 3 0 0 0 0 0 0 0 0 0 0 1 100%
2008 TEX AL 29 135 79% 33% 4 75% 0 4 0 4 3 3 0 1 0 0 1 1 0 0 0 0 2 50%
2009 TEX AL 30 272 77% 31% 9 67% 1 1 0 1 6 5 0 1 0 1 0 1 0 0 0 0 3 67%
9 Seasons 5032 78% 33% 163 88% 3 72 11 51 141 112 10 9 0 4 5 5 13 6 11 2 32 78%
MLB Averages 77% 31% 89% 81%



* - Disclaimer & Completeness Note

* Many Detailed Statistics are based on play-by-play accounts accumulated by RetroSheet. These totals may be incomplete (3.6% of all plays from 1938 to 1973 are missing or have incomplete accounts, click link for year and team summary of data completeness) for some players prior to 1974 and even complete seasons may not match the official totals due to errors in both the official totals and the play-by-play accounts. Pre-1954 seasons have a substantial numbers of games missing play-by-play accounts and should be viewed as essentially incomplete.

Appearances on Leader Boards, Awards, and Honors

Stats are Year-Value-Rank · Glossary

Monthly Awards (yr-month lg award)
2002 August NL Rookie of the Month

Putouts as P s c a p y
2004 NL  18 (5th)

             

Other Resources & Links

Error?     Compare     Search SABR's Baseball Index     Other Links@google.com     Baseball Library     Baseball-Almanac.com     Retrosheet     The Baseball Cube     WahooSam.com     WhatIfSports: Jason Jennings    

Name and misspellings: Jason Jason Ryan Jennings

Player Page Tricks and Tips

Sum any set of rows by clicking anywhere (not red or blue) on the first and last rows of your selection. We will then compute the totals for the player between and including those two seasons.
Default Setting for this feature: Turn On / Turn Off
Summation of season totals only works for the initial case when the table is in year order. On a sorted table the results may get a bit goofy.

HIGHLIGHTING: Adding a range or series of player's career seasons or career game numbers (like '#1972:batting_standard', '#1970-1980-sum:batting_standard', or '#1998,1999,2001,2002,sum:pitching_standard') onto the end of a player page url causes the seasons to the highlighted and summed. After changing address bar, reload the page to see highlighting. This will work even in links e-mailed to others. Note that for tables with multiple pages the first table is the default. If you want to create a sum for a table other than the first one, select the rows and after the summation window appears click on "permanent link" link.

The play-by-play information both shown and used to create certain data sets was obtained free of charge from and is copyrighted by RetroSheet.