1986 Baltimore Orioles season

The 1986 Baltimore Orioles season was a season in American baseball. It involved the Orioles finishing seventh in the American League East with a record of 73 wins and 89 losses. On August 5, the Orioles were in second place with a record of 59–47, just 2.5 games out of first place, but the Orioles would lose 42 of their final 56 games to finish in last place in the AL East.

Offseason

 * October 9, 1985: Joe Nolan was released by the Orioles.
 * December 12, 1985: Gary Roenicke and a player to be named later were traded by the Orioles to the New York Yankees for Rex Hudler and Rich Bordi. The Orioles completed the deal by sending Leo Hernández to the Yankees on December 16.
 * January 14, 1986: Rafael Bournigal was drafted by the Orioles in the 10th round of the 1986 Major League Baseball draft, but did not sign.
 * January 23, 1986: Dan Ford was released by the Orioles.
 * February 20, 1986: Luis DeLeón was signed as a free agent by the Orioles.
 * March 23, 1986: Mike Kinnunen was signed as a free agent by the Orioles.
 * March 31, 1986: Ben Bianchi (minors), Steve Padia (minors), and a player to be named later were traded by the Orioles to the Minnesota Twins for Mike Hart. The Orioles completed the deal by sending Jeff Hubbard (minors) to the Twins on April 23.

Opening Day starters

 * Rick Dempsey
 * Mike Flanagan
 * Jackie Gutiérrez
 * Lee Lacy
 * Fred Lynn
 * Eddie Murray
 * Cal Ripken
 * John Shelby
 * Alan Wiggins
 * Mike Young

Notable transactions

 * June 2, 1986: Gordon Dillard was drafted by the Orioles in the 14th round of the 1986 Major League Baseball draft.
 * June 16, 1986: Dennis Martínez and a player to be named later were traded by the Orioles to the Montreal Expos for a player to be named later. The Orioles completed the deal by sending John Stefero to the Expos on December 8. The Expos completed the deal by sending Rene Gonzales to the Orioles on December 16.

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 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