2005 Seattle Mariners season

The Seattle Mariners 2005 season was their 29th since the franchise creation, and their second consecutive season finishing at the bottom of the American League West, finishing with a record of 69–93 (.426). They only had one player represented at the 2005 All-Star Game, who was Ichiro Suzuki with his fifth selection for the All-Star Game.

Over the course of the disappointing season, the Mariners managed to have their longest winning streak over the course of a four-game series with the Angels (July 7–10), while having two losing streaks of seven between April 30–8 May / June 25 – July 2.

Offseason

 * December 17, 2004: Adrián Beltré was signed as a free agent with the Seattle Mariners.

Opening Day starters

 * Adrián Beltré
 * Bret Boone
 * Raúl Ibañez
 * Jamie Moyer
 * Miguel Olivo
 * Jeremy Reed
 * Richie Sexson
 * Ichiro Suzuki
 * Wilson Valdez
 * Randy Winn

Transactions

 * June 7, 2005: Jeff Clement was drafted by the Seattle Mariners in the 1st round (3rd pick) of the 2005 amateur draft. Player signed July 26, 2005.
 * July 11, 2005: Bret Boone was sent to the Minnesota Twins by the Seattle Mariners as part of a conditional deal.
 * July 30, 2005: Yorvit Torrealba was traded by the San Francisco Giants with Jesse Foppert to the Seattle Mariners for Randy Winn.
 * August 19, 2005: Scott Spiezio was released by the Seattle Mariners.

Starters by position
''Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

Other batters
''Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

Starting and other pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts

Relief pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; H = Holds; SV = Saves; ERA = Earned run average; SO = Strikeouts

Team statistics
Positions in brackets are in league with other MLB teams

Batting
''Note: G = Games played; AB = At bats; H = Hits; R = Runs; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''

Pitching
Note: G = Games pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts; SHO = Shutouts

Major League Baseball Draft
Below is a list of 2005 Seattle Mariners draft picks. The Mariners took part in both the Rule 4 draft (June amateur draft) and the Rule 5 draft. The first selection by the Mariners in the Rule 4 draft was catcher Jeff Clement. The first and only player selected by Seattle in the Rule 5 draft was infielder Jason Bourgeois.