The latest update on Luis Castillo trade rumors indicates the Boston Red Sox probably won't land the Seattle Mariners ace.

The Mariners made another move to add bullpen depth, acquiring right-handed reliever Casey Legumina from the Reds on Monday ...

Seattle considered multiple trade offers for veteran starter Luis Castillo this offseason. Here's why Jerry Dipoto and the ...

Infielder Jorge Polanco and the Seattle Mariners finalized a $7.75 million, one-year contract on Monday. Polanco gets a $7 ...

Jerry Dipoto discussed the Mariners' offseason moves — and lack thereof — on Monday. Here's why he's confident in the team ...

The Seattle Mariners moved on from several players this offseason for means of shedding payroll and trying to improve an ...

The Reds traded right-handed reliever Casey Legumina to the Mariners on Monday for cash considerations. Legumina was ...

So far this MLB offseason, the reigning champion Dodgers have signed as many free agents as the rest of their division ...

The Reds traded right-hander Casey Legumina to the Mariners for cash considerations on Monday afternoon. Legumina was ...

Jorge Polanco is headed back to the Mariners at a new position. Find the details of the surprise move at MLB Trade Rumors.

The Mariners announced that outfielder Cade Marlowe has been designated for assignment. That is the corresponding move to ...

The transaction clears a spot on the 40-man roster for the addition of Casey Legumina. Diaz, 28, has been unimpressive over parts of four big-league seasons, compiling a 4.80 ERA and 32:27 K:BB across ...