The 1978 Baltimore Orioles season was a season in American baseball. It involved the Orioles finishing fourth in the American League East with a record of 90 wins and 71 losses.
Offseason
November 23, 1977: Elrod Hendricks was signed as a free agent by the Orioles. December 7, 1977: Bryn Smith, Rudy May, and Randy Miller were traded by the Orioles to the Montreal Expos for Don Stanhouse, Joe Kerrigan, and Gary Roenicke. January 6, 1978: Ken Rudolph was released by the Orioles. February 21, 1978: Tony Muser was released by the Orioles.
Regular season
Season standings
Record vs. opponents
Opening Day starters
Mark Belanger
Al Bumbry
Doug DeCinces
Rick Dempsey
Larry Harlow
Dennis Martínez
Lee May
Eddie Murray
Ken Singleton
Billy Smith
Notable transactions
June 6, 1978: 1978 Major League Baseball Draft
Cal Ripken Jr. was drafted by the Orioles in the 2nd round, (46th overall). Player signed June 13, 1978. Bobby Bonner was drafted by the Orioles in the 3rd round. Mike Boddicker was drafted by the Orioles in the 6th round.
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; HR = Home runs; 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