January 17, 1986: Phil Stephenson and Bob Bathe (minors) were traded by the Athletics to the Chicago Cubs for Gary Jones (minors) and John Cox (minors).[3]
February 1, 1986: Lenn Sakata was signed as a free agent with the Oakland Athletics.[4]
March 21, 1986: Bárbaro Garbey was released by the Oakland Athletics.[1]
August 22, 1986: Mark McGwire made his major league debut against the New York Yankees. He had three at-bats and no hits.[6] Three days later, McGwire hit his first major league home run off Walt Terrell of the Detroit Tigers in an 8-4 win.
September 12, 1986: In a game against the Cleveland Indians, Terry Steinbach hit a home run in his first Major League at-bat. Steinbach became the 54th player to achieve the feat.
April 4, 1986: Jerry Willard was signed as a free agent by the Athletics.[7]
May 20, 1986: Keith Atherton was traded by the Oakland Athletics to the Minnesota Twins for a player to be named later and cash. The Minnesota Twins sent Eric Broersma (minors) (May 23, 1986) to the Oakland Athletics to complete the trade.[8]
May 23, 1986: Dave Stewart was signed as a free agent with the Oakland Athletics.[9]
Johnson, Lloyd; Wolff, Miles, eds. (1997). The Encyclopedia of Minor League Baseball (2nd ed.). Durham, North Carolina: Baseball America. ISBN978-0-9637189-8-3.
^Great Baseball Feats, Facts and Figures, 2008 Edition, p.266, David Nemec and Scott latow, A Signet Book, Penguin Group, New York, ISBN978-0-451-22363-0