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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.
The 'Most 40 home run seasons in MLB history' quiz
How many of the 50 MLB players with three or more 40 home run seasons can you name in six minutes?
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.
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 / 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.
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
Marlins claim former Astros pitcher off waivers
It’s the second waiver claim of the offseason for the 30-year-old.
Arizona Diamondbacks News / Arizona Diamondbacks on SI / February 17
Diamondbacks DFA Reliever, Make Signing Official
On Monday, the Diamondbacks officially signed the right-handed reliever, Kendall Graveman. In a corresponding move, righty reliever Seth Martinez was designated for assignment.
Arizona Diamondbacks News / MLB Trade Rumors / February 17
Diamondbacks Designate Seth Martinez For Assignment
The Diamondbacks announced that right-hander Seth Martinez has been designated for assignment. That’s the corresponding move for their signing of fellow righty Kendall Graveman, which is now official.
Arizona Diamondbacks News / Arizona Diamondbacks on SI / February 15
Former ASU Starter Prepared to Suit Up for the Diamondbacks
The Arizona Diamondbacks acquired veteran reliever Seth Martinez early on this winter. Now, the former ASU Sun Devil is preparing to suit up for the D-backs.
Arizona Diamondbacks News / Last Word On Sports / February 12
Diamondbacks Invite Seth Martinez to Spring Training
The Arizona Diamondbacks have invited Seth Martinez to Spring Training. The Arizona-born right-handed pitcher was claimed off waivers from the Houston Astros back in November.
Arizona Diamondbacks News / Arizona Diamondbacks on SI / January 27
How Much Will Seth Martinez Contribute to the Diamondbacks in 2025?
As we continue through our series of 2025 Diamondbacks projections we take a look at newly acquired Seth Martinez. The veteran right-hander will join Arizona's bullpen and could play a key role in 2025.
Arizona Diamondbacks News / Arizona Diamondbacks on SI / December 17
Diamondbacks Fans Shouldn't Panic at Lack of Moves So Far
The Arizona Diamondbacks have yet to make any significant moves this offseason to upgrade the roster. Outside of waiver wire pickup Seth Martinez in early November, they've not added any players to the 40-man roster from outside the organization.
MLB News / Arizona Diamondbacks on SI / November 4
Diamondbacks claim RHP Seth Martinez off Waivers from Astros
The Arizona Diamondbacks have issued the following release: The Arizona Diamondbacks claimed RHP Seth Martinez off waivers from the Astros. The D-backs’ 40-man roster is at 35.
Houston Astros News / Houston Astros on SI / September 24
Houston Astros Make Roster Move, Swap Pitchers
On Tuesday, the Houston Astros announced a roster move prior to the game. Right handed pitcher Shawn Dubin was recalled from Triple-A Sugar Land, while right handed pitcher Seth Martinez was sent down.
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