Justin Slaten

Active on MLB Roster | Boston Red Sox
High Level
MLB
Years
2017-2025 (2024-2025)
Proper Name
Justin Michael Slaten
Pronunciation
SLATE-in
Positions
P (181)
Height / Weight
6-4 / 222
Bats / Throws
Right / Right
Birthdate
September 15,1997   Age:  28.123
High School
Hallsville (Hallsville,TX)
Colleges
University of New Mexico (Albuquerque,NM)
Drafted/Signed
Signing Bonus
$ 575,000
Service Time
2.000 (2025)
MLB Debut
MLBAM ID
Retrosheet#
slatj002
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[2023] Selected by the New York Mets in MLB Rule 5 Draft
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Prospect Rankings

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yearsourcetypeteamrankview rankings
2020FanGraphsTeamTexas Rangers29View Rankings
2021MLB PipelineTeamTexas Rangers29View Rankings
2024Baseball AmericaTeamBoston Red Sox28View Rankings
2024ESPNTeamBoston Red Sox30View Rankings
2024MLB PipelineTeamBoston Red Sox29View Rankings
5 record(s)
Prospect rankings are available since 1990 and are based on pre-season rankings from various ranking sites.

Scouting Grades

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Player 20-80 scouting grades are available to TBC PREMIUM subscribers
1 record(s)

Pitching Statistics

CSV
Glossary
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yearteam nameleaguelevelmlb#agewleraggscgshogrgfsviphrerhrbbsowpbkhbwhiph9hr9bb9so9ra9so/bb
2017New MexicoMWCNCAA-1Fr3219223.7423000230033.2371614316278001.579.890.804.287.224.281.69
2018New MexicoMWCNCAA-1So3220297.0215140010066.28965527306211001.7812.010.944.058.378.772.07
2019New MexicoMWCNCAA-1Jr2221552.5113130000082.165312333698180101.237.110.333.9410.713.392.72
2019Arizona RangersArizRkTEX-21000.0010001001.00000010000.000.000.000.009.000.000.00
2019Spokane IndiansNwstA-TEX-21026.4610100000015.121131127211001.8312.331.174.1112.337.633.00
2021Hickory CrawdadsSAL2A+TEX2723486.0120190011082.193605517311105141.5110.171.863.3912.026.563.55
2022ACL RangersACLRkTEX1524000.0010001001.00000020000.000.000.000.0018.000.000.00
2022Frisco RoughRidersTex2AATEX2824166.9325500202050.2494139648646001.918.701.078.5311.377.281.33
2023Frisco RoughRidersTex2AATEX2825433.1635100347251.1412118916766001.117.191.582.8113.323.684.75
2023Round Rock ExpressPCL2AAATEX1925101.0850005008.131114100000.843.241.084.3210.801.082.50
2024Portland Sea DogsEast2AABOS 260027.0010001000.11110110006.0027.000.0027.0027.0027.001.00
2024Boston Red SoxALMLBBOS6326622.9344000448255.147211849584021.017.640.651.469.433.426.44
2025Worcester Red SoxIL2AAABOS6227100.0030003003.01100151000.673.000.003.0015.003.005.00
2025Boston Red SoxALMLBBOS6327244.2436000368334.0271916310251001.097.150.792.656.625.032.50
Tot:MLB (2 yrs) MLB   863.43800001680589.1744034719835021.047.460.711.918.364.034.37
Tot:AL (2 yrs) AL   863.43800001680589.1744034719835021.047.460.711.918.364.034.37
Tot:Minors (6 yrs) Minors   11195.27101350010662213.12091381253510829019141.498.821.484.5612.235.822.69
Tot:Rk (2 yrs) Rk   000.0020000202.00000030000.000.000.000.0013.500.00
Tot:A- (1 yrs) A-   026.4610100000015.121131127211001.8312.331.174.1112.337.633.00
Tot:A+ (1 yrs) A+   486.0120190011082.193605517311105141.5110.171.863.3912.026.563.55
Tot:AA (3 yrs) AA   595.10616009552102.1916358156514112001.528.001.325.7212.405.542.17
Tot:AAA (2 yrs) AAA   200.79800008011.142115151000.793.180.793.9711.911.593.00
Tot:College (3 yrs) College   9164.395127000240182.2191112891382187370101.499.410.644.049.215.522.28
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

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yearteam nameleaguecategoryagewleraggscgshogrgfsviphrerhrbbsowpbkhbwhiph9hr9bb9so9ra9so/bb
2018Eau Claire ExpressNorthwoods LeagueCollege Summer20711.5811100010057.0411610122705041.116.470.163.4711.052.533.18
2023Surprise SaguarosArizona Fall LeagueAFL25014.9130003103.21221260000.822.452.454.9114.734.913.00
2024Boston Red SoxMLB Spring TrainingSpring26000.0060006006.12100160010.472.840.001.428.531.426.00
2025Boston Red SoxMLB Spring TrainingSpring27003.8650005004.24420241001.297.710.003.867.717.712.00
2025Boston Red SoxWild Card SeriesPlayoffs27004.5020002002.01110110111.004.500.004.504.504.501.00
Tot:AFL (1 Yrs) AFL 014.9130001303.21221260000.822.452.454.9114.734.913.00
Tot:CollegeSummer (1 Yrs) CollegeSummer 711.5811100001057.0411610122705041.116.470.163.4711.052.533.18
Tot:Spring (2 Yrs) Spring 001.6411000011011.065203101010.824.910.002.458.184.093.33
Tot:Playoffs (1 Yrs) Playoffs 004.5020000202.01110110111.004.500.004.504.504.501.00

Other Batting Statistics

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yearteam nameleaguecategoryagegabrh2b3bhrrbisbcsbbsohbpshsfibbgdptbpaxbh1bavgobpslgopssecaisobabipbb%so%so/bbab/hr
2018Eau Claire ExpressNorthwoods LeagueCollege Summer20120100000001000001201.500.500.5001.000.000.0001.0000.0050.000.000.00
Tot:CollegeSummer (1 Yrs) CollegeSummer 120100000001000001201.500.500.5001.000.000.0001.0000.0050.00

Talent Ratings

About Talent Ratings
StrikeoutsWalksHittableSO/BBvs PowerDurabilityTeam Success
805850705068.505