Help Support FanGraphs


Become a Member No Thanks

Brandon Williamson

Seattle Mariners (A-)
Age: 21
Bats/Throws: L/L
6' 6" / 210
P
Birthdate: 4/2/1998 (21 y, 9 m, 23 d)
Drafted: 2019 June Amateur Draft - Round: 2, Pick: 18, Overall: 59, Team: Seattle Mariners   
Rule 5 Eligible: Dec'22
Reported as pre-2019
Prospects Report
Team Rank: 21Overall Rank: NAReported: 2019 - UpdatedETA: 2022  
FastballSliderCurveballChangeupCommandFuture Value
45 / 5050 / 5045 / 4545 / 5545 / 5540

We hope you find the FanGraphs Player Stat Pages useful!

Please support FanGraphs by becoming a member. We publish over one thousand articles and podcasts each year, host numerous projection systems, and carry an ever growing database of baseball stats that assist you in your baseball research.

Support FanGraphs


Regular Season
SeasonTeamWLSVGGSIPK/9BB/9HR/9BABIPLOB%GB%HR/FBERAFIPxFIPWAR
2019Mariners (A-)00010915.114.672.930.00.30060.0 %57.1 %0.0 %2.351.571.86 

Regular Season
SeasonTeamWLERAGGSCGShOSVHLDBSIPTBFHRERHRBBIBBHBPWPBKSO
2019Mariners (A-)002.351090001015.16196405011025

Regular Season  |  Averages
SeasonTeamK/9BB/9K/BBHR/9K%BB%K-BB%AVGWHIPBABIPLOB%ERA-FIP-FIP
2019Mariners (A-)14.672.935.000.0041.0 %8.2 %32.8 %.1640.91.30060.0 %  1.57

Regular Season
SeasonTeamGB/FBLD%GB%FB%IFFB%HR/FBIFH%BUH%Pull%Cent%Oppo%Soft%Med%Hard%SIERAxFIP-xFIP
2019Mariners (A-)3.2025.0 %57.1 %17.9 %60.0 %0.0 %  41.4 %27.6 %31.0 %     1.86

Regular Season

Regular Season
SeasonTeamPosGGSInnPOAEFETEDPDPSDPTDPFScpSBCSPBWPFPTZ
2019Mariners (A-)P10915.1030  0          

Drafts
  • 2019 June Amateur Draft - Round: 2, Pick: 18, Overall: 59
    • Team: Seattle Mariners
    • School: TCU
  • 2018 June Amateur Draft - Round: 36, Pick: 21, Overall: 1085
    • Team: Milwaukee Brewers
    • School: North Iowa Area CC