Griffin Jax

Active on MLB Roster | Tampa Bay Rays
High Level
MLB
Years
2014-2025 (2021-2025)
Proper Name
James Griffin Jax
Nickname
Griff
Positions
P (355)
Height / Weight
6-2 / 195
Bats / Throws
Right / Right
Birthdate
November 22,1994   Age:  31.056
High School
Cherry Creek (Greenwood Village,CO)
Colleges
United States Air Force Academy (Colorado Springs,CO)
Drafted/Signed
Signing Bonus
$ 645,600
Service Time
4.091 (2025)
MLB Debut
Contract Info
MLBAM ID
Retrosheet#
jax-g001
Show More
[2013] Gatorade Player of the Year for Colorado
Show Releated Ebay Listings

Prospect Rankings

CSV
Glossary
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yearsourcetypeteamrankview rankings
2017Baseball AmericaTeamMinnesota Twins22View Rankings
2017MLB PipelineTeamMinnesota Twins30View Rankings
2019Baseball AmericaTeamMinnesota Twins14View Rankings
2019MLB PipelineTeamMinnesota Twins23View Rankings
4 record(s)
Prospect rankings are available since 1990 and are based on pre-season rankings from various ranking sites.

Pitching Statistics

CSV
Glossary
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yearteam nameleaguelevelmlb#agewleraggscgshogrgfsviphrerhrbbsowpbkhbwhiph9hr9bb9so9ra9so/bb
2014Air ForceMWCNCAA-1Fr2219385.8615141110090.212268598194370101.5612.110.791.894.276.752.26
2015Air ForceMWCNCAA-1So22203105.17161520101102.21217659637724041.5410.610.533.246.316.661.95
2016Air ForceMWCNCAA-1Jr2221922.05151562000105.1943524420905311.088.030.341.717.692.994.50
2016Elizabethton TwinsAppRkMIN3321014.1540004208.215442182001.8515.582.081.048.314.158.00
2017Elizabethton TwinsAppRkMIN2222013.8611000004.26521070001.2911.571.930.0013.509.640.00
2017Cedar Rapids KernelsMidwAMIN1622212.39440000026.1197717130010.996.490.342.394.442.391.86
2018Fort Myers MiracleFSLA+MIN-23343.7015140011087.2934436315667061.239.550.311.546.784.524.40
2019Pensacola Blue WahoosSouAAMIN2924452.67202000000111.1983833524844161.107.920.401.946.793.073.50
2019Rochester Red WingsILAAAMIN-24124.50330000016.01910823101021.3810.691.131.695.635.633.33
2021St. Paul SaintsIL2AAAMIN4826413.76880000040.2371717216360001.308.190.443.547.973.762.25
2021Minnesota TwinsALMLBMIN8326456.3718140042082.08262582329656051.359.002.523.187.136.802.24
2022St. Paul SaintsIL2AAAMIN6527100.0010001002.00000120000.500.000.004.509.000.002.00
2022Minnesota TwinsALMLBMIN6527743.36650006510172.1562927720782031.056.970.872.499.713.613.90
2023Minnesota TwinsALMLBMIN22286103.86710007114465.1583028519681041.187.990.692.629.374.133.58
2024Minnesota TwinsALMLBMIN2229552.037200072161071.0471916415954020.875.960.511.9012.042.416.33
2025Minnesota TwinsALMLBMIN2230154.5050000503046.0462423413720011.289.000.782.5414.094.705.54
2025Tampa Bay RaysALMLBTBA2230023.6023200213020.0189838270001.308.101.353.6012.154.053.38
Tot:MLB (5 yrs) MLB   23314.0429916004828315356.230717316046104405130151.157.751.162.6210.224.373.89
Tot:AL (5 yrs) AL   23314.0429916004828315356.230717316046104405130151.157.751.162.6210.224.373.89
Tot:Minors (6 yrs) Minors   15153.24565000360297.12871251071667226141151.198.690.482.036.843.783.37
Tot:Rk (2 yrs) Rk   024.05510024013.1219631152001.6514.172.020.6710.126.0715.00
Tot:A (1 yrs) A   212.39440000026.1197717130010.996.490.342.394.442.391.86
Tot:A+ (1 yrs) A+   343.7015140011087.2934436315667061.239.550.311.546.784.524.40
Tot:AA (1 yrs) AA   452.67202000000111.1983833524844161.107.920.401.946.793.073.50
Tot:AAA (3 yrs) AAA   633.8412110001058.2562725420481021.308.590.613.077.364.142.40
Tot:College (3 yrs) College   15204.28464493021298.23371791421876205163151.3810.160.542.296.185.392.70
Avg:MLB - 162 Inning avg MLB   ðŸ”’🔒🔒🔒🔒🔒🔒🔒🔒🔒162🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒
Avg:Minors - 162 Inning avg College   ðŸ”’🔒🔒🔒🔒🔒🔒🔒🔒🔒162🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒
Avg:College - 162 Inning avg College   ðŸ”’🔒🔒🔒🔒🔒🔒🔒🔒🔒162🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒
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Other Pitching Statistics

CSV
Glossary
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yearteam nameleaguecategoryagewleraggscgshogrgfsviphrerhrbbsowpbkhbwhiph9hr9bb9so9ra9so/bb
2015Eau Claire ExpressNorthwoods LeagueCollege Summer20102.37330000019.0179504141001.118.050.001.896.634.263.50
2018Salt River RapidsArizona Fall LeagueAFL23113.86650010021.021109011140011.529.000.004.716.004.291.27
2020Minnesota TwinsMLB Spring TrainingSpring25006.0040004006.08441050001.3312.001.500.007.506.000.00
2021Minnesota TwinsMLB Spring TrainingSpring26000.0021001114.05000100001.5011.250.002.250.000.000.00
2022Minnesota TwinsMLB Spring TrainingSpring270113.5030003104.27770251011.9313.500.003.869.6413.502.50
2023Minnesota TwinsMLB Spring TrainingSpring28000.0070007107.010002120000.431.290.002.5715.430.006.00
2023Minnesota TwinsWild Card SeriesPlayoffs28000.0020002002.01000020000.504.500.000.009.000.000.00
2023Minnesota TwinsDivision SeriesPlayoffs28000.0020002101.20000030000.000.000.000.0016.200.000.00
2024Minnesota TwinsMLB Spring TrainingSpring29000.0080008007.230000120000.393.520.000.0014.090.000.00
2025Minnesota TwinsMLB Spring TrainingSpring30100.0060006005.150001101001.138.440.001.6916.880.0010.00
Tot:AFL (1 Yrs) AFL 113.86650001021.021109011140011.529.000.004.716.004.291.27
Tot:CollegeSummer (1 Yrs) CollegeSummer 102.37330000019.0179504141001.118.050.001.896.634.263.50
Tot:Spring (6 Yrs) Spring 112.8630100329134.229111116442011.017.530.261.5611.422.867.33
Tot:Playoffs (1 Yrs) Playoffs 000.0040001403.21000050000.272.450.000.0012.270.00

Batting Statistics

CSV
Glossary
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yearteam nameleaguelevelmlb#agepostbc+gabrh2b3bhrrbisbcsbbsohbpshsfibbgdptbpaxbh1bavgobpslgopssecaisobabipbb%so%so/bbab/hr
2014Air ForceMWCNCAA-1Fr2219P112*173679200400131610000115027.250.460.306.766.417.056.45026.0032.001.230.00
2021Minnesota TwinsALMLBMIN8326P230000000002000000300.000.000.000.000.000.000.0000.0066.670.000.00
Tot:MLB (2 yrs) MLB     330000000002000000300.000.000.000.000.000.000.0000.0066.67
Tot:AL (2 yrs) AL     330000000002000000300.000.000.000.000.000.000.0000.0066.67
Tot:College (2 yrs) College     333679200400131610000115027.250.460.306.766.417.056.45026.0032.001.23
Avg:MLB - 162 game avg MLB     162🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒
Avg:College - 162 game avg College     162🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒🔒
TBC+ Metric is based on wOBA with inclusion of stolen base value. TBC's version of wOBA excludes park factors and uses static coefficients across all levels and years for ease of implementation.
* indicates player had a low sample size of plate appearances.

Use the Compare Players (TBC PREMIUM) application to compare stats and biography for 2-25 players at a time!

Talent Ratings

About Talent Ratings
StrikeoutsWalksHittableSO/BBvs PowerDurabilityTeam Success
437658695858.503