1986 Seattle Mariners season

The Seattle Mariners season was their tenth since the franchise creation. They were seventh in the American League (AL) West with a record of , the worst record in the league and second-worst in the majors.

At Boston's Fenway Park on Tuesday, April 29, 23-year-old Roger Clemens struck out 20 Mariners, a new major league record. The game was scoreless through six innings, and the Red Sox won 3–1.

Manager Chuck Cottier was fired in May. Marty Martínez managed one game as interim manager before Dick Williams became the manager.

Jim Presley represented the Mariners in the All-Star Game. Mark Langston led the AL with 245 strikeouts, and John Moses tied for the league lead with 18 times caught stealing.

Offseason

• November 1, 1985: Bob Long was released by the Mariners.
• December 12: Darnell Coles was traded by the Mariners to the Detroit Tigers for Rich Monteleone.
• January 18, 1986: Jerry Dybzinski, Steve Fireovid, and Pete Ladd signed as free agents with the Mariners.
• March 31: Dybzinski was released by the Mariners.

Regular season

Season standings

Record vs. opponents

Notable transactions

• May 21, 1986: Terry Bell was traded by Seattle to the Kansas City Royals for Mark Huismann.
• June 26: Received catcher Scott Bradley from the Chicago White Sox. Five days later, the Mariners sent outfielder Iván Calderón to the White Sox.
• August 19: Spike Owen and Dave Henderson were traded by the Mariners to the Boston Red Sox for Rey Quiñones, Mike Brown, Mike Trujillo, and a player to be named later. John Christensen was sent to Seattle on September 25 to complete the trade.

Roster

Player stats

Batting

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; RBI = Runs batted in

Pitching

Starting pitchers

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

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; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts

Farm system

<small>League champions: Bellingham</small>

References

External links

• 1986 Seattle Mariners at Baseball Reference
• 1986 Seattle Mariners team page at www.baseball-almanac.com