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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, Texas, United States
High School: Ralph H. Poteet HS (Mesquite, TX)
School: Baylor University (Waco, TX)

Drafted by the ARI in the 54th round of the 1996 MLB June Amateur Draft from Ralph H. Poteet HS (Mesquite, TX) and the Colorado Rockies in the 1st round (16th) of the 1999 MLB June Amateur Draft from Baylor University (Waco, TX).

Prospect Ratings by Baseball America:
Pre-2000: Rated #87 Prospect

Major League Stats

Jason Jennings
Register Player Page
/ Gamelogs & Splits
Pitching: 2010 / 2009 / 2008
 Batting: 2009

Register Pitching

Year Age AgeDif Tm Lg Lev Aff W L W-L% ERA RAvg G GS GF CG SHO SV IP H R ER HR BB IBB SO HBP BK WP BF WHIP H9 HR9 BB9 SO9 SO/W
1999 20 -1.3 2 Teams 2 Lgs A-A- COL 3 2 .600 3.34 3.74 14 14 0 0 0 0 67.1 60 28 25 3 10 0 80 6 0 4 275 1.040 8.0 0.4 1.3 10.7 8.00
1999 20 -0.9 Portland NORW A- COL 1 0 1.000 1.00 1.00 2 2 0 0 0 0 9.0 5 1 1 0 2 0 11 0 0 0 33 0.778 5.0 0.0 2.0 11.0 5.50
1999 20 -1.4 Asheville SALL A COL 2 2 .500 3.70 4.17 12 12 0 0 0 0 58.1 55 27 24 3 8 0 69 6 0 4 242 1.080 8.5 0.5 1.2 10.6 8.63
2000 21 -1.9 2 Teams 2 Lgs A+-AA COL 8 13 .381 3.47 4.09 28 28 0 3 1 0 187.0 168 85 72 10 53 0 166 2 1 9 781 1.182 8.1 0.5 2.6 8.0 3.13
2000 21 -1.7 Salem CARL A+ COL 7 10 .412 3.47 3.95 22 22 0 3 1 0 150.1 136 66 58 6 42 0 133 2 1 8 632 1.184 8.1 0.4 2.5 8.0 3.17
2000 21 -2.8 Carolina SOUL AA COL 1 3 .250 3.44 4.66 6 6 0 0 0 0 36.2 32 19 14 4 11 0 33 0 0 1 149 1.173 7.9 1.0 2.7 8.1 3.00
2001 22 -4.6 2 Teams 2 Lgs AAA-AA COL 9 8 .529 4.42 5.11 26 26 0 4 0 0 156.2 170 89 77 10 49 0 134 8 2 3 678 1.398 9.8 0.6 2.8 7.7 2.73
2001 22 -2.1 Carolina SOUL AA COL 2 0 1.000 2.88 3.24 4 4 0 0 0 0 25.0 25 9 8 1 8 0 24 1 0 0 106 1.320 9.0 0.4 2.9 8.6 3.00
2001 22 -5.1 Colorado Springs PCL AAA COL 7 8 .467 4.72 5.47 22 22 0 4 0 0 131.2 145 80 69 9 41 0 110 7 2 3 572 1.413 9.9 0.6 2.8 7.5 2.68
2001 22 -6.9 COL NL MLB COL 4 1 .800 4.58 4.81 7 7 0 1 1 0 39.1 42 21 20 2 19 0 26 1 0 1 174 1.551 9.6 0.5 4.3 5.9 1.37
2002 23 -5.8 COL NL MLB COL 16 8 .667 4.52 4.95 32 32 0 0 0 0 185.1 201 102 93 26 70 2 127 8 0 10 808 1.462 9.8 1.3 3.4 6.2 1.81
2003 24 -4.8 COL NL MLB COL 12 13 .480 5.11 5.71 32 32 0 1 0 0 181.1 212 115 103 20 88 7 119 5 0 7 820 1.654 10.5 1.0 4.4 5.9 1.35
2004 25 -4.2 COL NL MLB COL 11 12 .478 5.51 5.60 33 33 0 0 0 0 201.0 241 125 123 27 101 14 133 7 1 6 925 1.701 10.8 1.2 4.5 6.0 1.32
2005 26 -3.2 COL NL MLB COL 6 9 .400 5.02 5.39 20 20 0 1 0 0 122.0 130 73 68 11 62 4 75 5 0 8 551 1.574 9.6 0.8 4.6 5.5 1.21
2006 27 -2.1 COL NL MLB COL 9 13 .409 3.78 3.99 32 32 0 3 2 0 212.0 206 94 89 17 85 7 142 3 0 10 902 1.373 8.7 0.7 3.6 6.0 1.67
2007 28 2.5 2 Teams 2 Lgs AA-AAA HOU 0 0 4.32 4.32 2 2 0 0 0 0 8.1 6 4 4 0 6 0 4 0 0 0 35 1.440 6.5 0.0 6.5 4.3 0.67
2007 28 3.7 Corpus Christi TL AA HOU 0 0 0.00 0.00 1 1 0 0 0 0 5.0 3 0 0 0 1 0 2 0 0 0 17 0.800 5.4 0.0 1.8 3.6 2.00
2007 28 1.0 Round Rock PCL AAA HOU 0 0 10.80 10.80 1 1 0 0 0 0 3.1 3 4 4 0 5 0 2 0 0 0 18 2.400 8.1 0.0 13.5 5.4 0.40
Year Age AgeDif Tm Lg Lev Aff W L W-L% ERA RAvg G GS GF CG SHO SV IP H R ER HR BB IBB SO HBP BK WP BF WHIP H9 HR9 BB9 SO9 SO/W
2007 28 -1.0 HOU NL MLB HOU 2 9 .182 6.45 6.64 19 18 0 0 0 0 99.0 119 73 71 19 34 2 71 2 0 5 445 1.545 10.8 1.7 3.1 6.5 2.09
2008 29 0.7 TEX AL MLB TEX 0 5 .000 8.56 8.89 6 6 0 0 0 0 27.1 35 27 26 8 18 2 12 1 0 1 135 1.939 11.5 2.6 5.9 4.0 0.67
2009 30 1.9 TEX AL MLB TEX 2 4 .333 4.13 4.57 44 0 8 0 0 1 61.0 67 31 28 7 28 3 44 2 0 3 272 1.557 9.9 1.0 4.1 6.5 1.57
2010 31 6.4 2 Teams 2 Lgs AAA-Rk OAK 0 0 4.09 4.50 6 6 0 0 0 0 22.0 19 11 10 1 7 1 19 2 0 2 96 1.182 7.8 0.4 2.9 7.8 2.71
2010 31 10.4 Athletics ARIZ Rk OAK 0 0 1.00 2.00 3 3 0 0 0 0 9.0 3 2 1 0 3 0 10 0 0 0 35 0.667 3.0 0.0 3.0 10.0 3.33
2010 31 4.1 Sacramento PCL AAA OAK 0 0 6.23 6.23 3 3 0 0 0 0 13.0 16 9 9 1 4 1 9 2 0 2 61 1.538 11.1 0.7 2.8 6.2 2.25
2011 32 5.8 Grand Prairie AA Ind 10 2 .833 3.58 3.81 19 19 0 1 1 0 118.0 110 50 47 8 37 0 92 5 1 9 500 1.246 8.4 0.6 2.8 7.0 2.49
MLB (9 seasons) MLB 62 74 .456 4.95 5.27 225 180 8 6 3 1 1128.1 1253 661 621 137 505 41 749 34 1 51 5032 1.558 10.0 1.1 4.0 6.0 1.48
Minors (5 seasons) Minors 20 23 .465 3.83 4.43 76 76 0 7 1 0 441.1 423 217 188 24 125 1 403 18 3 18 1865 1.242 8.6 0.5 2.5 8.2 3.22
All Levels (13 Seasons) 92 99 .482 4.56 4.95 320 275 8 14 5 1 1687.2 1786 928 856 169 667 42 1244 57 5 78 7397 1.453 9.5 0.9 3.6 6.6 1.87
AA (3 seasons) Minors 3 3 .500 2.97 3.78 11 11 0 0 0 0 66.2 60 28 22 5 20 0 59 1 0 1 272 1.200 8.1 0.7 2.7 8.0 2.95
AAA (3 seasons) Minors 7 8 .467 4.99 5.66 26 26 0 4 0 0 148.0 164 93 82 10 50 1 121 9 2 5 651 1.446 10.0 0.6 3.0 7.4 2.42

Register Batting

Year Age AgeDif Tm Lg Lev Aff G PA AB R H 2B 3B HR RBI SB CS BB SO BA OBP SLG OPS TB GDP HBP SH SF IBB
1999 20 2 Teams 2 Lgs A--A COL 14 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1999 20 -1.3 Portland NORW A- COL 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1999 20 -1.4 Asheville SALL A COL 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2000 21 -3.2 2 Teams 2 Lgs AA-A+ COL 28 8 7 0 1 0 0 0 0 0 0 0 0 .143 .143 .143 .286 1 1 0 1 0 0
2000 21 -1.6 Salem CARL A+ COL 22 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2000 21 -3.2 Carolina SOUL AA COL 6 8 7 0 1 0 0 0 0 0 0 0 0 .143 .143 .143 .286 1 1 0 1 0 0
2001 22 -4.7 2 Teams 2 Lgs AAA-AA COL 29 45 44 4 12 2 0 2 7 0 0 0 11 .273 .267 .455 .721 20 1 0 0 1 0
2001 22 -2.2 Carolina SOUL AA COL 4 9 9 1 2 1 0 0 0 0 0 0 1 .222 .222 .333 .556 3 0 0 0 0 0
2001 22 -5.3 Colorado Springs PCL AAA COL 25 36 35 3 10 1 0 2 7 0 0 0 10 .286 .278 .486 .763 17 1 0 0 1 0
2001 22 -7.3 COL NL MLB COL 7 17 15 2 4 1 0 1 2 0 0 1 3 .267 .313 .533 .846 8 0 0 1 0 0
2002 23 -6.5 COL NL MLB COL 32 68 62 6 19 4 0 0 11 0 0 3 13 .306 .348 .371 .719 23 0 1 2 0 0
2003 24 -5.5 COL NL MLB COL 33 65 54 3 12 3 0 0 3 0 0 5 16 .222 .283 .278 .561 15 0 0 5 1 0
2004 25 -4.4 COL NL MLB COL 37 78 71 3 17 4 0 1 6 0 0 2 16 .239 .260 .338 .598 24 1 0 5 0 0
2005 26 -3.4 COL NL MLB COL 22 44 38 0 6 1 0 0 1 0 0 2 12 .158 .200 .184 .384 7 0 0 4 0 0
2006 27 -2.2 COL NL MLB COL 32 75 62 3 8 1 0 0 2 0 0 3 12 .129 .169 .145 .314 9 0 0 10 0 0
2007 28 1.0 2 Teams 2 Lgs AAA-AA HOU 2 1 1 0 1 0 0 0 0 0 0 0 0 1.000 1.000 1.000 2.000 1 0 0 0 0 0
2007 28 3.5 Corpus Christi TL AA HOU 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2007 28 1.0 Round Rock PCL AAA HOU 1 1 1 0 1 0 0 0 0 0 0 0 0 1.000 1.000 1.000 2.000 1 0 0 0 0 0
Year Age AgeDif Tm Lg Lev Aff G PA AB R H 2B 3B HR RBI SB CS BB SO BA OBP SLG OPS TB GDP HBP SH SF IBB
2007 28 -1.0 HOU NL MLB HOU 21 30 26 1 2 0 0 0 1 0 0 3 8 .077 .172 .077 .249 2 0 0 1 0 0
2008 29 0.1 TEX AL MLB TEX 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2009 30 1.0 TEX AL MLB TEX 44 1 1 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 0 0 0 0 0 0
2010 31 2 Teams 2 Lgs AAA-Rk OAK 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2010 31 10.9 Athletics ARIZ Rk OAK 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2010 31 4.0 Sacramento PCL AAA OAK 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2011 32 4.9 Grand Prairie AA Ind 19 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
MLB (9 seasons) MLB 234 378 329 18 68 14 0 2 26 0 0 19 80 .207 .251 .267 .519 88 1 1 28 1 0
Minors (5 seasons) Minors 79 54 52 4 14 2 0 2 7 0 0 0 11 .269 .264 .423 .687 22 2 0 1 1 0
All Levels (13 Seasons) 332 432 381 22 82 16 0 4 33 0 0 19 91 .215 .253 .289 .542 110 3 1 29 2 0
AA (3 seasons) Minors 11 17 16 1 3 1 0 0 0 0 0 0 1 .188 .188 .250 .438 4 1 0 1 0 0
AAA (3 seasons) Minors 29 37 36 3 11 1 0 2 7 0 0 0 10 .306 .297 .500 .797 18 1 0 0 1 0
A 7890 (underlined) value in the totals indicates career mark is incomplete.

Register Fielding

Year Age Tm Lg Lev Aff G GS CG Inn Ch PO A E DP Fld% RF/9 RF/G PB WP SB CS CS% lgCS% PO
1999 20 2 Teams 2 Lgs A-A- COL P 14 9 3 6 0 0 1.000 0.64 16 2 11%
1999 20 Portland NORW A- COL P 2 2 1 1 0 0 1.000 1.00 1 0 0%
1999 20 Asheville SALL A COL P 12 7 2 5 0 0 1.000 0.58 15 2 12%
2000 21 2 Teams 2 Lgs A+-AA COL P 28 41 11 26 4 2 .902 1.32 23 8 26%
2000 21 Salem CARL A+ COL P 22 33 9 21 3 1 .909 1.36 20 6 23%
2000 21 Carolina SOUL AA COL P 6 8 2 5 1 1 .875 1.17 3 2 40%
2001 22 2 Teams 2 Lgs AAA-AA COL P 26 46 14 31 1 1 .978 1.73 4 7 64%
2001 22 Carolina SOUL AA COL P 4 10 1 9 0 1 1.000 2.50 0 1 100%
2001 22 Colorado Springs PCL AAA COL P 22 36 13 22 1 0 .972 1.59 4 6 60%
2001 22 COL NL MLB COL P 7 39.0 11 4 7 0 3 1.000 2.54 1.57
2002 23 COL NL MLB COL P 32 185.0 43 14 28 1 1 .977 2.04 1.31
2003 24 COL NL MLB COL P 32 181.0 36 9 25 2 2 .944 1.69 1.06
2004 25 COL NL MLB COL P 33 201.0 44 18 25 1 2 .977 1.93 1.30
2005 26 COL NL MLB COL P 20 122.0 33 14 17 2 2 .939 2.29 1.55
2006 27 COL NL MLB COL P 32 212.0 40 14 25 1 3 .975 1.66 1.22
2007 28 2 Teams 2 Lgs AA-AAA HOU P 2 2 8.1 3 0 3 0 1 1.000 3.24 1.50 1 1 50%
2007 28 Corpus Christi TL AA HOU P 1 1 5.0 2 0 2 0 1 1.000 3.60 2.00 0 1 100%
2007 28 Round Rock PCL AAA HOU P 1 1 3.1 1 0 1 0 0 1.000 2.70 1.00 1 0 0%
Year Age Tm Lg Lev Aff G GS CG Inn Ch PO A E DP Fld% RF/9 RF/G PB WP SB CS CS% lgCS% PO
2007 28 HOU NL MLB HOU P 19 99.0 11 6 5 0 0 1.000 1.00 0.58
2008 29 TEX AL MLB TEX P 6 27.0 8 4 3 1 0 .875 2.33 1.17
2009 30 TEX AL MLB TEX P 44 61.0 8 1 6 1 0 .875 1.03 0.16
2010 31 2 Teams 2 Lgs AAA-Rk OAK P 6 6 22.0 4 2 2 0 0 1.000 1.64 0.67 2 0 0%
2010 31 Athletics ARIZ Rk OAK P 3 3 9.0 2 2 0 0 0 1.000 2.00 0.67 1 0 0%
2010 31 Sacramento PCL AAA OAK P 3 3 13.0 2 0 2 0 0 1.000 1.38 0.67 1 0 0%
2011 32 Grand Prairie AA Ind P 21 25 8 14 3 1 .880 1.05 0 0
MLB (9 seasons) MLB P 225 1127.0 234 84 141 9 13 .962 1.80 1.00
Minors (5 seasons) Minors P 76 8 30.1 103 30 68 5 4 .951 2.08 1.29 46 18 28%
All Levels (13 Seasons) P 322 8 1157.1 362 122 223 17 18 .953 1.80 1.07 46 18 28%
A 7890 (underlined) value in the totals indicates career mark is incomplete.

Teams Played For

Year Age Tm Lg Lev
1999 20 Asheville Tourists South Atlantic League A
1999 20 Portland Rockies Northwest League A-
2000 21 Salem Avalanche Carolina League A+
2000 21 Carolina Mudcats Southern League AA
2001 22 Carolina Mudcats Southern League AA
2001 22 Colorado Springs Sky Sox Pacific Coast League AAA 2001-04-27 2001-08-18
2001 22 Colorado Rockies National League MLB 1 2001-08-23 2001-10-05
2002 23 Colorado Rockies National League MLB 1 2002-04-06 2002-09-25
2003 24 Colorado Rockies National League MLB 1 2003-04-01 2003-09-14
2004 25 Colorado Rockies National League MLB 1 2004-04-07 2004-09-30
2005 26 Colorado Rockies National League MLB 1 2005-04-06 2005-07-20
2006 27 Colorado Rockies National League MLB 1 2006-04-03 2006-09-26
2007 28 Houston Astros National League MLB 1 2007-04-03 2007-08-20
2007 28 Corpus Christi Hooks Texas League AA 2007-05-17 2007-05-17
2007 28 Round Rock Express Pacific Coast League AAA 2007-05-22 2007-05-22
2008 29 Texas Rangers American League MLB 1 2008-04-02 2008-04-29
2009 30 Texas Rangers American League MLB 1 2009-04-08 2009-08-26
2010 31 AZL Athletics Arizona League Rk 2010-08-09 2010-08-18
2010 31 Sacramento River Cats Pacific Coast League AAA 2010-08-24 2010-09-03
2011 32 Grand Prairie AirHogs American Association Ind 2011-05-24 2011-08-26

Sabr ID: acfebf7a

About the Minor League Data

Performance data on minor and international leagues is licensed from and provided by the SABR Minor Leagues Database, a community project sponsored by the Minor Leagues Committee of the Society for American Baseball Research.

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Minor league Total Zone (Rctch&Rtz, 2005-2009) data provided by Baseballprojection.com and Minorleaguesplits.com.