The Mariners clearly enjoyed Naylor's brief stint with the team down the stretch after the trade deadline. Naylor slashed .299/.341/.490 with nine homers, 33 RBIs, and 19 stolen bases in 54 games to go along with an .831 OPS.

Andrés Muñoz, as expected, had his club option exercised by the Mariners and will return as Seattle’s closer in 2026 for $7 million. Now that Jorge Polanco has turned down his mutual option for 2026,

Of course, this all starts with the off-season; the Mariners have a massive amount of momentum to build on this year, and I discussed this as well in my recent free agent profile on Kazuma Okamoto (shameless plug).

The Seattle Mariners gave fans plenty to cheer about in 2025, winning 90 games, claiming the American League West title, and reaching the ALCS for the first tim

Jorge Polanco, as expected, has declined a $6 million vesting player option for 2026 and will become a free agent, the Mariners announced on Wednesday. However, there will be interest from the Mariner

For the second time in three years, the Seattle Mariners are expected to move on from Eugenio Suárez as their starting third baseman.

The Braves won the World Series in 2021, but notably did so without Ronald Acuña Jr. playing. Acuña has since won an MVP Award, but has also torn his ACL again. When healthy, he is one of the best players in the world, but he has not been able to stay healthy consistently.

Former Seattle Mariners closer Paul Sewald became a free agent Thursday after the Detroit Tigers declined his 2026 option.

After yesterday’s minor deal with the Tampa Bay Rays to acquire a potential bullpen arm in Cole Wilcox, POBO Jerry Dipoto and GM Justin Hollander remain active in their efforts to add to The Pile this offseason and claimed RHP Ryan Loutos from the Washington Nationals.

This article was originally published on www.si.com/fannation/mlb/fastball as Mariners Slugger Gets Massive 3-Year, $52.5 Million Contract Projection.