Seth Martinez

2026 season

GP

1

W-L

0-0

ERA

9.00

WHIP

2.00

K

1

IP

1.0

Game log

Latest news

• Martinez cleared waivers Friday and was sent outright to Triple-A Worcester, Chris Henrique of BostonSportsJournal.com reports.

  Martinez was DFA'd by the Red Sox on Wednesday but will officially stick with the organization after passing through waivers unclaimed. The 31-year-old righty gave up one run in one inning during his lone MLB appearance Tuesday and owns a 5.46 ERA through 62.2 innings in the minors.

  RotoWire via ESPN · Aug 14

• The Red Sox designated Martinez for assignment Wednesday.

  Martinez made only one appearance during his brief time with the Red Sox, allowing one run over one inning of relief in Tuesday's loss to the Blue Jays. He's being replaced on the active roster by Alec Gamboa, who was called up from Triple-A Worcester to give the Red Sox a fresh arm in the bullpen.

  RotoWire via ESPN · Aug 12

• The Red Sox selected Martinez's contract from Triple-A Worcester on Sunday, Mac Cerullo of the Boston Herald reports.

  Boston optioned left-hander Raymond Burgos to Triple-A to clear room for Martinez, who is up with the big club for the first time this season. Over 34 appearances (nine starts) at Worcester, Martinez produced a 5.46 ERA, 1.27 WHIP and 52:20 K:BB in 62.2 innings. He'll be capable of covering multiple innings in Sunday's game against the Athletics as the Red Sox deploy a bullpen day.

  RotoWire via ESPN · Aug 9

• The Red Sox signed Martinez to a minor-league contract Friday that includes an invitation to spring training, Andrew Parker of SoxProspects.com reports.

  Martinez has produced a 4.00 ERA and 126:57 K:BB over 144 innings covering parts of five major-league seasons. The 31-year-old will try to win a spot in the Boston bullpen but is likely ticketed for Triple-A Worcester to begin the 2026 campaign.

  RotoWire via ESPN · Jan 9

• Martinez elected free agency Saturday after clearing waivers.

  Rather than remaining in the Miami organization as relief depth at Triple-A Jacksonville after being pushed off the 40-man roster, Martinez will head to the open market in search of a new opportunity. In six appearances for the big club this season, Martinez has posted a 5.40 ERA, 1.05 WHIP and 4:3 K:BB in 6.2 innings.

  RotoWire via ESPN · Sep 15

• The Marlins designated Martinez for assignment Thursday.

  Martinez has made six appearances since joining the active roster Aug. 27, across which he coughed up four earned runs over 6.2 innings. He'll now lose his place on the MLB and 40-man rosters to make room for Ryan Weathers' (lat) return from the 60-day IL.

  RotoWire via ESPN · Sep 11