The Seattle Mariners took care of step one, but they certainly can't afford to relax. Re-signing Josh Naylor, which the Mariners reportedly accomplished on Sund

Free-agent first baseman Josh Naylor is returning to the Seattle Mariners on a five-year contract, ESPN's Jeff Passan reported Sunday. On Monday, Passan reported that the deal is official and worth $92.5 million. It includes a no-trade clause and no deferred payments, per the report.

"This opens up the entire offseason," Mike Salk said of the Seattle Mariners reportedly re-signing first baseman Josh Naylor.

BREAKING: First baseman Josh Naylor and the Seattle Mariners are finalizing a five-year contract, sources familiar with the deal tell ESPN. The first major free agent to sign this winter goes back to Seattle, where he was beloved after joining the Mariners in a deadline trade.

Late Sunday night, the Seattle Mariners and Los Angeles Dodgers finalized a one-for-one pitcher trade as both clubs continue shaping their rosters ahead of next month’s Rule 5 Draft.

Seattle Mariners Executive Vice President & General Manager of Baseball Operations Justin Hollander announced today the Mariners have acquired left-handed pitcher Robinson Ortiz from the Los Angeles Dodgers in exchange for minor league right-handed pitcher Tyler Gough.

The Mariners have lost a pair of coaches to other teams since the GM meetings ended Thursday. Here's what else we learned during this week.

Seattle Mariners, fresh off a near World Series run, are eyeing a blockbuster trade for Fernando Tatis Jr. to bolster their offense. This move, fueled by a strong farm system and a championship window,