2024 Seattle Mariners season

The 2024 Seattle Mariners season is the 48th season in franchise history. The Mariners are playing their 25th full season (26th overall) at T-Mobile Park, their home ballpark in Seattle, Washington. The season opened on March 28, 2024 at home against the Boston Red Sox and is scheduled to end on September 29, 2024 at home against the Oakland Athletics.

2023

 * November 17 – Acquired 3B Luis Urías from the Boston Red Sox in exchange for RHP Isaiah Campbell.
 * November 22 – Acquired RHP Carlos Vargas and C Seby Zavala from the Arizona Diamondbacks in exchange for 3B Eugenio Suárez.
 * December 3rd – Acquired RHP Cole Phillips and RHP Jackson Kowar from the Atlanta Braves in exchange for LHP Marco Gonzales, OF Jarred Kelenic and 1B Evan White.
 * December 28th – Signed free agent C Mitch Garver.

2024

 * January 5th – Acquired RF Mitch Haniger, RHP Anthony DeSclafani, and cash considerations from the San Francisco Giants in exchange for LHP Robbie Ray.
 * January 29th – Acquired 2B Jorge Polanco from the Minnesota Twins in exchange for RHP Anthony DeSclafani, RHP Justin Topa, OF Gabriel Gonzalez, RHP Darren Bowen, and cash considerations.
 * January 30th – Acquired 2B Samad Taylor from the Kansas City Royals for a Player To Be Named Later
 * February 3rd – Acquired RHP Gregory Santos from the Chicago White Sox in exchange for RHP Prelander Berroa, OF Zach DeLoach, and the 69th pick in the 2024 MLB Draft.
 * May 14th – Acquired SS Jake Slaughter and cash considerations from the Chicago Cubs in exchange for RHP Tyson Miller.

Batting
Note: G = Games played; AB = At bats; R = Runs scored; H = Hits; 2B = Doubles; 3B = Triples; HR = Home runs; RBI = Runs batted in; AVG = Batting average; SB = Stolen bases

Pitching
Note: W = Wins; L = Losses; ERA = Earned run average; G = Games pitched; GS = Games started; SV = Saves; IP = Innings pitched; H = Hits allowed; R = Runs allowed; ER = Earned runs allowed; BB = Walks allowed; K = Strikeouts