List of Seattle Mariners team records

The Seattle Mariners are a Major League Baseball (MLB) team who have participated in 46 seasons since their inception in 1977.

[1] This list documents the superlative records and accomplishments of team members during their tenures as Seattle Mariners in Major League Baseball's American League West.

[2] Two Mariners players currently hold Major League Baseball records.

Ichiro holds the record for most single-season hits and singles, obtaining both in 2004.

[5] Additionally, Gene Walter, a Mariner for the 1988 season, is tied for the American League lead in balks for a single game, which he achieved on July 18 in a game against the Detroit Tigers.

Ken Griffey Jr. batting as a Seattle Mariner. In the background is the Mariner's dugout.
Ken Griffey Jr. playing for the Mariners in June 2009. Griffey Jr. holds five single-season batting records and an individual career record for the Mariners franchise.
Randy Johnson in a black suit. To his left is Jay Buhner and Dan Wilson. To his right is Edgar Martínez and Ken Griffey Jr.
Randy Johnson (middle), holder of four career pitching records for the Mariners franchise
Ichiro Suzuki in a Mariners uniform
Ichiro Suzuki, the holder of five single-season batting records for the Mariners
Raúl Ibañez walking into the Mariners dugout
Raúl Ibañez, the Mariners' record holder for most hits in a game
Jamie Moyer pitching in a Seattle Mariners uniform.
Jamie Moyer, the Mariners record holder for runs and home runs allowed in a single game