Seth Martinez: Breaking News, Rumors & Highlights

Features

He’s Seth Martinez. If you’re like me, you saw the name “Seth” in an article about Red Sox transactions and briefly celebrated because you thought that Seth Lugo was coming to Boston.

MLB News / MLB Trade Rumors / January 10

Red Sox, Seth Martinez Agree To Minor League Deal

The Red Sox agreed to a minor league contract with reliever Seth Martinez, as first reported by Andrew Parker of Sox Prospects. He’ll get a non-roster invitation to MLB camp.

MLB News / Boston Red Sox on SI / January 9

Red Sox Sign 31-Year-Old Pitcher After Marlins Exit

The Boston Red Sox reportedly made another deal on Friday evening. No, it was not some splashy, nine-figure signing. No, it was not an MLB deal, which the club is the only team in baseball to not hand out yet.

MLB News / Yardbarker Quizzes

The 'Home run leaders by MLB team' quiz

How many of the career leaders in home runs for every MLB franchise can you name in five minutes?

The 'First Baseball Hall of Fame induction ceremony' quiz

The 'MLB active home run leaders' quiz

The 'MLB 30/30 seasons' quiz

Miami Marlins News / MLB Trade Rumors / September 11

Marlins designate veteran right-hander for assignment

The Marlins announced that left-hander Ryan Weathers has been reinstated from the 60-day injured list, a move which was previously reported. In a corresponding move, right-hander Seth Martinez has been designated for assignment.

MLB News / Yardbarker

25 MLB players who have the most to prove in 2026

The new MLB season brings opportunities as players head into their walk years and try to rebound from subpar performances. These 25 players stand out heading into 2026.

Should Red Sox trade for former All-Star infielder?

Mariners getting needed bat in All-Star Brendon Donovan via three-team deal with Cardinals, Rays

Giants CEO calls Dodgers a 'dragon to slay'

Yankees' latest endeavor points to a Jasson Dominguez mistake waiting to happen

Top of Phillies' rotation is elite, but also comes with questions

Miami Marlins News / MLB Trade Rumors / August 27

Marlins select Seth Martinez

The Marlins announced Wednesday that they’ve selected the contract of righty Seth Martinez from Triple-A Jacksonville and placed fellow righty Janson Junk on the 15-day injured list due to ulnar nerve irritation in his right arm.

MLB News / MLB Trade Rumors / March 28

Marlins outright reliever Seth Martinez

The Marlins assigned reliever Seth Martinez outright to Triple-A Jacksonville, according to the MLB.com transaction log. That indicates he cleared waivers after being designated for assignment on Wednesday.

Miami Marlins News / MLB Trade Rumors / March 26

Marlins designate Seth Martinez for assignment

The Marlins announced Wednesday that right-hander Seth Martinez has been designated for assignment. His spot on the 40-man roster goes to righty Tyler Phillips, whom Miami acquired from the Phillies in exchange for cash today.

Seattle Mariners News / Seattle Mariners on SI / March 15

Seattle Mariners Lose Veteran Pitcher, Open Up Spot on 40-Man Roster as a Result

The Seattle Mariners lost right-handed pitcher Seth Martinez in an apparent waiver claim on Saturday. First, the Mariners PR team announced that Martinez had been claimed off waivers by the Miami Marlins.

MLB News / MLB Trade Rumors / March 15

Marlins claim veteran right-hander off waivers from Mariners

He only joined the Mariners on another waiver claim from Miami less than two weeks ago.

Marlins outfielder to miss at least four weeks with oblique strain

Marlins preseason capsule: Is Miami rebuilding or regressing?

Marlins seem to have favorite for starting center fielder

Which MLB pitchers have thrown more than one no-hitter?

The '2003 Florida Marlins' quiz

Seattle Mariners News / Seattle Mariners on SI / March 3

Seattle Mariners Claim Interesting Former Rival Off Waivers

The Seattle Mariners bullpen still has some open spots left heading into 2025, and the team added another arm to the mix on Sunday. The Mariners claimed right-handed reliever Seth Martinez off waivers from the Miami Marlins.

MLB News / Yardbarker

The 25 greatest pitching seasons from the modern MLB era

America's favorite pastime has more memorable performances than any sport. As such, figuring out which pitchers had the best seasons ever is no easy task.

MLB News / MLB Trade Rumors / March 2

Mariners Claim Seth Martinez

The Mariners announced that right-hander Seth Martinez was claimed off waivers from the Marlins. Righty Jackson Kowar was placed on the 60-day injured list in Seattle’s corresponding roster move.

MLB News / Seattle Mariners on SI / February 28

Former Little-Used Seattle Mariners Pitcher Signs with Miami Marlins

Former Seattle Mariners reliever Brett de Geus signed a new contract with the Miami Marlins on Thursday. The Marlins Communications Department announced the move on social media: The Miami Marlins today claimed RHP Brett de Geus off waivers from the Pittsburgh Pirates.

Click here to get Yardbarker's Quiz of the Day emailed to you!

The 'Super Bowl MVPs' quiz

The 'Super Bowl coaches since 2000' quiz

The 'Super Bowl halftime show artists' quiz

The 'NFL active TD-pass leaders' quiz

MLB News / MLB Trade Rumors / February 27

Marlins claim righty Brett de Geus off waivers from Pirates

The Marlins announced that they have claimed right-hander Brett de Geus off waivers from the Pirates. The latter club designated him for assignment last week.

MLB News / MLB Trade Rumors / February 20