Jason Jennings
Bats: Right , Throws: Right
Height: 6' 2" , Weight: 242 lb.

Born: July 17, 1978 in Dallas, TX
High School: Mesquite (Mesquite, TX)
School: Baylor University
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
    About biographical information

Standard Pitching

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Year Age Tm Lg W L W-L% ERA G GS GF CG SHO SV IP H R ER HR BB IBB SO HBP BK WP BF ERA+ WHIP H/9 HR/9 BB/9 SO/9 SO/BB Awards
2001 22 COL NL 4 1 .800 4.58 7 7 0 1 1 0 39.1 42 21 20 2 19 0 26 1 0 1 174 116 1.551 9.6 0.5 4.3 5.9 1.37
2002 23 COL NL 16 8 .667 4.52 32 32 0 0 0 0 185.1 201 102 93 26 70 2 127 8 0 10 808 106 1.462 9.8 1.3 3.4 6.2 1.81 RoY-1
2003 24 COL NL 12 13 .480 5.11 32 32 0 1 0 0 181.1 212 115 103 20 88 7 119 5 0 7 820 97 1.654 10.5 1.0 4.4 5.9 1.35
2004 25 COL NL 11 12 .478 5.51 33 33 0 0 0 0 201.0 241 125 123 27 101 14 133 7 1 6 925 89 1.701 10.8 1.2 4.5 6.0 1.32
2005 26 COL NL 6 9 .400 5.02 20 20 0 1 0 0 122.0 130 73 68 11 62 4 75 5 0 8 551 95 1.574 9.6 0.8 4.6 5.5 1.21
2006 27 COL NL 9 13 .409 3.78 32 32 0 3 2 0 212.0 206 94 89 17 85 7 142 3 0 10 902 130 1.373 8.7 0.7 3.6 6.0 1.67
2007 28 HOU NL 2 9 .182 6.45 19 18 0 0 0 0 99.0 119 73 71 19 34 2 71 2 0 5 445 69 1.545 10.8 1.7 3.1 6.5 2.09
2008 29 TEX AL 0 5 .000 8.56 6 6 0 0 0 0 27.1 35 27 26 8 18 2 12 1 0 1 135 52 1.939 11.5 2.6 5.9 4.0 0.67
2009 30 TEX AL 2 4 .333 4.13 44 0 8 0 0 1 61.0 67 31 28 7 28 3 44 2 0 3 272 112 1.557 9.9 1.0 4.1 6.5 1.57
9 Seasons 62 74 .456 4.95 225 180 8 6 3 1 1128.1 1253 661 621 137 505 41 749 34 1 51 5032 98 1.558 10.0 1.1 4.0 6.0 1.48
162 Game Avg. 10 12 .456 4.95 38 30 1 1 1 0 189 210 111 104 23 85 7 126 6 0 9 845 98 1.558 10.0 1.1 4.0 6.0 1.48
COL (6 yrs) 58 56 .509 4.74 156 156 0 6 3 0 941.0 1032 530 496 103 425 34 622 29 1 42 4180 103 1.548 9.9 1.0 4.1 5.9 1.46
TEX (2 yrs) 2 9 .182 5.50 50 6 8 0 0 1 88.1 102 58 54 15 46 5 56 3 0 4 407 83 1.675 10.4 1.5 4.7 5.7 1.22
HOU (1 yr) 2 9 .182 6.45 19 18 0 0 0 0 99.0 119 73 71 19 34 2 71 2 0 5 445 69 1.545 10.8 1.7 3.1 6.5 2.09
NL (7 yrs) 60 65 .480 4.91 175 174 0 6 3 0 1040.0 1151 603 567 122 459 36 693 31 1 47 4625 99 1.548 10.0 1.1 4.0 6.0 1.51
AL (2 yrs) 2 9 .182 5.50 50 6 8 0 0 1 88.1 102 58 54 15 46 5 56 3 0 4 407 83 1.675 10.4 1.5 4.7 5.7 1.22

Batting Against -- Pitching*

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Year Age Tm Lg G PA AB R H 2B 3B HR SB CS BB SO BA OBP SLG OPS BAbip TB GDP HBP SH SF IBB
2001 22 COL NL 7 174 152 21 42 14 1 2 1 1 19 26 .276 .358 .421 .779 .320 64 5 1 1 1 0
2002 23 COL NL 32 808 718 102 201 33 2 26 12 4 70 127 .280 .349 .440 .789 .308 316 25 8 9 3 2
2003 24 COL NL 32 820 710 115 212 51 4 20 9 6 88 119 .299 .377 .466 .843 .333 331 22 5 11 6 7
2004 25 COL NL 33 925 805 125 241 47 8 27 14 8 101 133 .299 .381 .478 .859 .330 385 16 7 9 3 14
2005 26 COL NL 20 551 475 73 130 32 1 11 8 1 62 75 .274 .361 .415 .776 .304 197 16 5 6 3 4
2006 27 COL NL 32 902 800 94 206 36 8 17 16 7 85 142 .258 .329 .386 .715 .292 309 21 3 8 6 7
2007 28 HOU NL 19 445 396 73 119 28 1 19 15 3 34 71 .301 .353 .520 .873 .319 206 6 2 6 7 2
2008 29 TEX AL 6 135 114 27 35 8 0 8 0 1 18 12 .307 .406 .588 .994 .287 67 2 1 2 0 2
2009 30 TEX AL 44 272 234 31 67 14 2 7 7 3 28 44 .286 .361 .453 .814 .319 106 7 2 3 5 3
9 Seasons 225 5032 4404 661 1253 263 27 137 82 34 505 749 .285 .360 .450 .810 .314 1981 120 34 55 34 41
162 Game Avg. 38 845 739 111 210 44 5 23 14 6 85 126 .285 .360 .450 .810 .314 333 20 6 9 6 7
MLB Averages .262 .333 .418 .751 .299

Starting Pitching*

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Year Age Tm Lg G GS Wgs Lgs ND Wchp Ltuf Wtm Ltm tmW-L% Wlst Lsv CG SHO QS QS% GmScA Best Wrst BQR BQS sDR lDR RS/GS RS/IP IP/GS Pit/GS <80 80-99 100-119 ≥120 Max
2001 22 COL NL 7 7 4 1 2 0 0 6 1 .857 0 1 1 1 4 57% 48 81 10 9 4 0 5 7.0 7.2 5.6 90 2 2 2 1 124
2002 23 COL NL 32 32 16 8 8 6 2 19 13 .594 4 5 0 0 13 41% 48 77 17 20 4 0 14 5.3 5.9 5.8 94 4 17 9 2 121
2003 24 COL NL 32 32 12 13 7 2 5 16 16 .500 2 4 1 0 15 47% 44 76 13 13 4 1 14 5.1 4.7 5.7 95 4 10 18 0 113
2004 25 COL NL 33 33 11 12 10 3 0 13 20 .394 5 6 0 0 17 52% 44 74 6 13 4 1 16 5.2 4.6 6.1 101 1 16 15 1 126
2005 26 COL NL 20 20 6 9 5 1 2 8 12 .400 1 4 1 0 8 40% 46 67 11 6 2 0 10 4.2 3.8 6.1 99 2 7 11 0 116
2006 27 COL NL 32 32 9 13 10 3 6 14 18 .438 1 2 3 2 20 63% 52 87 20 12 3 0 20 4.3 4.1 6.6 103 0 16 15 1 120
2007 28 HOU NL 19 18 2 9 7 1 3 3 15 .167 3 2 0 0 6 33% 43 66 -11 7 4 1 7 3.5 3.0 5.4 87 4 10 4 0 110
2008 29 TEX AL 6 6 0 5 1 0 0 0 6 .000 1 0 0 0 1 17% 35 57 19 6 0 0 3 2.7 2.8 4.6 86 1 3 2 0 107
8 Seasons 181 180 60 70 50 16 18 79 101 .439 17 24 6 3 84 47% 46 87 -11 86 25 3 89 4.7 4.6 5.9 97 18 81 76 5 126
MLB Averages .500 48% 49 98 -8 4.7 4.7 5.8 95

Reliever Pitching*

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Year Age Tm Lg G GR GF Wgr Lgr SVOpp SV BSv SV% SVSit Hold IR IS IS% 1stIP aLI LevHi LevMd LevLo Ahd Tie Bhd Runr Empt >3o <3o IPmult 0DR Out/GR Pit/GR
2007 28 HOU NL 19 1 0 0 0 0 0 0 0 0 0 0 7 0.897 0 0 1 0 0 1 0 1 0 0 0 0 3.0 21
2009 30 TEX AL 44 44 8 2 4 2 1 1 50% 14 12 29 17 59% 7 0.954 9 17 17 19 6 19 18 26 20 8 24 3 4.2 25
2 Seasons 63 45 8 2 4 2 1 1 50% 14 12 29 17 59% 0.919 9 17 18 19 6 20 18 27 20 8 24 3 4.1 25

Ratio Pitching*

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Year Age Tm Lg PA Ptn% HR% SO% BB% XBH% X/H% GB/FB GO/AO IP% LD% HR/FB IF/FB DPopp DPs DP%
2001 22 COL NL 174 48% 1.2% 14.9% 10.9% 9.8% 41% 0.80 1.68 72% 30% 3.4% 14% 45 5 11%
2002 23 COL NL 808 42% 3.2% 15.7% 8.7% 7.6% 30% 0.91 1.53 70% 24% 10.0% 13% 158 25 16%
2003 24 COL NL 820 53% 2.4% 14.5% 10.7% 9.2% 35% 0.89 1.32 70% 20% 7.4% 13% 172 22 13%
2004 25 COL NL 925 51% 2.9% 14.4% 10.9% 8.9% 34% 0.88 1.43 70% 21% 8.2% 7% 180 16 9%
2005 26 COL NL 551 52% 2.0% 13.6% 11.3% 8.0% 34% 0.94 1.45 71% 23% 5.9% 9% 110 16 15%
2006 27 COL NL 902 50% 1.9% 15.7% 9.4% 6.8% 30% 0.79 1.09 72% 19% 5.1% 9% 157 21 13%
2007 28 HOU NL 445 42% 4.3% 16.0% 7.6% 10.8% 40% 0.59 0.76 70% 19% 10.3% 11% 72 6 8%
2008 29 TEX AL 135 51% 5.9% 8.9% 13.3% 11.9% 46% 0.79 1.30 70% 21% 16.3% 14% 18 2 11%
2009 30 TEX AL 272 43% 2.6% 16.2% 10.3% 8.5% 34% 0.78 1.25 69% 21% 7.4% 14% 53 7 13%
9 Seasons 5032 48% 2.7% 14.9% 10.0% 8.5% 34% 0.83 1.28 71% 21% 7.8% 11% 965 120 12%
MLB Averages 55% 2.7% 18.0% 8.9% 7.9% 34% 0.78 1.06 69% 19% 7.8% 13% 11%

Pitch Summary -- Pitching*

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Year Age Tm Lg PA Pit Pit/PA Str Str% L/Str S/Str F/Str I/Str AS/Str I/Bll AS/Pit Con 1st% 30% 30c 30s 02% 02c 02s 02h L/SO 3pK 4pW PAu Pitu Stru
2001 22 COL NL 174 633 3.64 370 58% 27% 15% 23% 35% 73% 0% 43% 79% 47% 6% 11 8 13% 22 10 2 19% 3 3 0 0 0
2002 23 COL NL 808 3018 3.74 1840 61% 24% 16% 27% 33% 76% 0% 46% 79% 54% 6% 46 25 18% 142 66 10 28% 20 20 0 0 0
2003 24 COL NL 820 3036 3.70 1792 59% 27% 15% 25% 34% 73% 2% 43% 80% 54% 6% 50 33 18% 148 84 11 25% 28 10 0 0 0
2004 25 COL NL 925 3341 3.61 1959 59% 28% 14% 24% 35% 72% 3% 42% 81% 56% 8% 74 35 17% 153 75 7 30% 22 27 0 0 0
2005 26 COL NL 551 1983 3.60 1155 58% 27% 13% 25% 35% 73% 1% 42% 82% 52% 7% 38 17 15% 83 46 4 31% 12 17 0 0 0
2006 27 COL NL 902 3281 3.64 2017 61% 26% 15% 26% 33% 74% 2% 46% 80% 59% 6% 53 33 18% 166 87 7 35% 28 13 0 0 0
2007 28 HOU NL 445 1587 3.57 982 62% 28% 16% 22% 34% 72% 1% 45% 78% 56% 6% 26 14 19% 85 42 4 27% 13 10 0 0 0
2008 29 TEX AL 135 518 3.84 284 55% 33% 8% 21% 37% 67% 2% 36% 87% 48% 7% 10 5 9% 12 7 0 33% 3 3 0 0 0
2009 30 TEX AL 272 1077 3.96 638 59% 28% 15% 26% 31% 72% 3% 43% 79% 53% 5% 14 9 20% 54 24 7 32% 5 2 0 0 0
9 Seasons 5032 18474 3.67 11037 60% 27% 15% 25% 34% 73% 2% 44% 80% 55% 6% 322 179 17% 865 441 52 29% 134 105 0 0 0
MLB Averages 3.83 62% 28% 15% 27% 30% 72% 2% 45% 80% 58% 5% 22% 25%

Baserunning & Situational Stats*

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Hits Home Runs Advances Baserunning
Year Age Tm Lg PA H Inf Bnt All GS GSo vRH vLH Hm Rd <2,3B Scr SO % ROE WP PB SBO SB CS SB% SB2 CS2 SB3 CS3 SBH CSH PO PCS BT PAu
2001 22 COL NL 174 42 2 0 2 0 2 1 1 0 2 9 3 0 33% 2 1 0 79 1 1 50% 1 1 0 0 0 0 0 0 2 0
2002 23 COL NL 808 201 19 2 26 0 11 18 8 18 8 41 22 8 54% 7 10 2 285 12 4 75% 10 3 2 0 0 1 3 0 15 0
2003 24 COL NL 820 212 24 4 20 2 25 11 9 8 12 56 26 10 46% 7 7 1 318 9 6 60% 9 3 0 2 0 1 3 1 19 0
2004 25 COL NL 925 241 23 4 27 0 22 12 15 16 11 51 23 9 45% 3 6 1 378 14 8 64% 12 6 2 2 0 0 1 0 14 0
2005 26 COL NL 551 130 9 3 11 2 16 4 7 5 6 29 16 3 55% 7 8 1 233 8 1 89% 8 1 0 0 0 0 1 1 14 0
2006 27 COL NL 902 206 16 3 17 0 16 11 6 9 8 48 23 7 48% 8 10 1 319 16 7 70% 15 6 1 1 0 0 0 0 20 0
2007 28 HOU NL 445 119 9 2 19 0 3 14 5 12 7 24 15 3 63% 5 5 0 167 15 3 83% 15 2 0 0 0 1 0 0 16 0
2008 29 TEX AL 135 35 1 0 8 0 5 4 4 3 5 7 5 1 71% 1 1 0 44 0 1 0% 0 1 0 0 0 0 0 0 1 0
2009 30 TEX AL 272 67 7 0 7 0 9 5 2 5 2 15 12 1 80% 2 3 0 120 7 3 70% 7 3 0 0 0 0 0 0 9 0
9 Seasons 5032 1253 110 18 137 4 109 80 57 76 61 280 145 42 52% 42 51 6 1943 82 34 71% 77 26 5 5 0 3 8 2 110 0
MLB Averages 52% 72%

Cumulative Pitching

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Year Age W L W-L% ERA G GS GF CG SHO SV IP H R ER HR BB IBB SO HBP BK WP BF ERA+ WHIP H/9 HR/9 BB/9 SO/9 SO/BB ERA+
2001 22 4 1 .800 4.58 7 7 0 1 1 0 39.1 42 21 20 2 19 0 26 1 0 1 174 116 1.551 9.6 0.5 4.3 5.9 1.37 116
2002 23 20 9 .690 4.53 39 39 0 1 1 0 224.2 243 123 113 28 89 2 153 9 0 11 982 108 1.478 9.7 1.1 3.6 6.1 1.72 108
2003 24 32 22 .593 4.79 71 71 0 2 1 0 406.0 455 238 216 48 177 9 272 14 0 18 1802 103 1.557 10.1 1.1 3.9 6.0 1.54 103
2004 25 43 34 .558 5.03 104 104 0 2 1 0 607.0 696 363 339 75 278 23 405 21 1 24 2727 98 1.605 10.3 1.1 4.1 6.0 1.46 98
2005 26 49 43 .533 5.02 124 124 0 3 1 0 729.0 826 436 407 86 340 27 480 26 1 32 3278 97 1.599 10.2 1.1 4.2 5.9 1.41 97
2006 27 58 56 .509 4.74 156 156 0 6 3 0 941.0 1032 530 496 103 425 34 622 29 1 42 4180 103 1.548 9.9 1.0 4.1 5.9 1.46 103
2007 28 60 65 .480 4.91 175 174 0 6 3 0 1040.0 1151 603 567 122 459 36 693 31 1 47 4625 99 1.548 10.0 1.1 4.0 6.0 1.51 99
2008 29 60 70 .462 5.00 181 180 0 6 3 0 1067.1 1186 630 593 130 477 38 705 32 1 48 4760 97 1.558 10.0 1.1 4.0 5.9 1.48 97
2009 30 62 74 .456 4.95 225 180 8 6 3 1 1128.1 1253 661 621 137 505 41 749 34 1 51 5032 98 1.558 10.0 1.1 4.0 6.0 1.48 98

Neutralized Pitching

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Change to: Default / 750 Runs / 1968 Dodgers / 2000 Rockies or

All seasons are converted to 162-game seasons &
average team scoring of 716 total runs (4.42 R/G) How this works
Year Age W L W-L% ERA IP H R ER HR BB SO HBP WHIP H/9 BB/9 SO/9 SO/BB HR/9 Gact
2001 22 2 2 .500 3.38 40.0 37 17 15 2 17 26 1 1.350 8.3 3.8 5.9 1.53 0.5 7
2002 23 10 10 .500 3.93 183.0 187 89 80 24 65 125 7 1.377 9.2 3.2 6.1 1.92 1.2 32
2003 24 9 11 .450 4.23 181.0 192 94 85 18 80 119 5 1.503 9.5 4.0 5.9 1.49 0.9 32
2004 25 10 12 .455 4.54 202.0 221 113 102 25 93 134 6 1.554 9.8 4.1 6.0 1.44 1.1 33
2005 26 6 7 .462 4.35 122.0 122 66 59 10 58 75 5 1.475 9.0 4.3 5.5 1.29 0.7 20
2006 27 14 9 .609 3.26 210.0 190 84 76 16 78 141 3 1.276 8.1 3.3 6.0 1.81 0.7 32
2007 28 3 7 .300 6.06 98.0 117 73 66 19 33 70 2 1.531 10.7 3.0 6.4 2.12 1.7 19
2008 29 1 2 .333 8.33 27.0 35 28 25 8 18 12 1 1.963 11.7 6.0 4.0 0.67 2.7 6
2009 30 3 3 .500 4.12 59.0 66 30 27 7 28 43 2 1.593 10.1 4.3 6.6 1.54 1.1 44
9 Seasons 58 63 .479 4.29 1122.0 1167 594 535 129 470 745 32 1.459 9.4 6.0 1.59 1.0 225

* Many Detailed Statistics are based on play-by-play accounts accumulated by RetroSheet. These totals may be incomplete (3.6% of all plays from 1954 to 1973 are missing or have incomplete accounts, click link for year and team summary) 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.

Appearances on Leader Boards, Awards, and Honors

Stats are Year-Value-Rank, Glossary

Awards (yr-lg-award)
2002-NL-Rookie of the Year

Wins s c a p y
2002 NL--16--7th

Win-Loss % s c a p y
2002 NL--.667--8th

Strikeouts per 9 IP s c a p y
Career--5.974--232nd

Complete Games s c a p y
2006 NL--3--5th

Shutouts s c a p y
2001 NL--1--7th
2006 NL--2--3rd

Bases on Balls s c a p y
2003 NL--88--8th
2004 NL--101--4th
2006 NL--85--4th

Hits s c a p y
2003 NL--212--7th
2004 NL--241--1st

Home Runs per 9 IP s c a p y
2006 NL--.722--5th

Losses s c a p y
2003 NL--13--6th
2006 NL--13--8th

Earned Runs s c a p y
2003 NL--103--5th
2004 NL--123--2nd

Wild Pitches s c a p y
2002 NL--10--6th
2005 NL--8--8th
2006 NL--10--5th
Active--51--45th

Batters Faced s c a p y
2004 NL--925--7th

Adjusted ERA+ s c a p y
2006 NL--130--6th

                           

Hall Of Fame Statistics

Player rank in (·)

Gray InkPitching - 11 (1394), Average HOFer ≈ 185
Hall of Fame MonitorPitching - 3 (1494), Likely HOFer ≈ 100

Similarity Scores

Explanation of Similarity Scores
Similar Pitchers 
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  1. Josh Fogg (971)
  2. Steve Sparks (968)
  3. Dave Mlicki (964)
  4. Adam Eaton (956)
  5. Alex Ferguson (953)
  6. Mark Redman (950)
  7. Jaret Wright (950)
  8. John Thomson (948)
  9. Max Surkont (948)
  10. Jeremy Bonderman (947)
Similar Pitchers through 30 
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  1. Ricky Bones (957)
  2. Esteban Loaiza (953)
  3. Jimmy Haynes (953)
  4. Darren Oliver (950)
  5. Adam Eaton (949)
  6. Kip Wells (949)
  7. Bill Dietrich (949)
  8. Josh Fogg (948)
  9. Frank Castillo (948)
  10. Jamey Wright (948)
Most Similar by Ages 
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  1. Carl Erskine (976)  2 3 4 5 6 7 8 9 10 C
  2. Jason Bere (984)  2 3 4 5 6 7 8 9 10 C
  3. Chris Carpenter (968)  2 3 4 5 6 7 8 9 10 C
  4. Chris Carpenter (964)  2 3 4 5 6 7 8 9 10 C
  5. Joel Pineiro (970)  2 3 4 5 6 7 8 9 10 C
  6. Jeff Suppan (961)  2 3 4 5 6 7 8 9 10 C
  7. Jimmy Haynes (971)  2 3 4 5 6 7 8 9 10 C
  8. Ricky Bones (957)  2 3 4 5 6 7 8 9 10 C

Other Resources & Links

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Viewed 59,188 times through November 15, 2009.
Name and misspellings: Jason Jennings

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