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Seth
Martinez
Boston Red Sox
#51
Relief Pitcher
HT/WT
6' 2", 193 lbs
Birthdate
8/29/1994 (31)
BAT/THR
Right/Right
Birthplace
Peoria, AZ
Status
Active
Overview
News
Stats
Bio
Splits
Game Log
2026 Splits
2026
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MLB News
Fantasy baseball forecaster: Team hitting ratings
Stay ahead of the game and optimize your fantasy baseball hitters with our forecaster, which provides a rolling 10-day outlook of every team's hitting matchups as well as the potential for stolen bases.
Fantasy baseball forecaster: Pitcher projections for the next 10 days
Keep up to date on who is pitching -- and how well they're expected to do -- with our forecaster, which provides a rolling 10-day outlook of every team's probable starting pitchers with game score projections.
Fantasy Baseball Reliever Depth Chart
Our updated reliever depth chart displays the closer hierarchy for each team, as well as the fatigue factor in each MLB bullpen.
Fantasy baseball news: A rainy Wednesday leads to Thursday doubleheaders
All of the important fantasy spin and actionable takeaways resulting from the latest baseball news.
MLB betting tips for Thursday: Diamondbacks, Giants should shine
All of the odds, recommended prop bets and trends in baseball for Thursday, April 30.
Early MLB takeaways: Bad big-money teams, ABS lessons, more
What stands out as the calendar turns to May? Let's break down the biggest early trends.
