On July 6, 1986, Acker was traded by the Blue Jays to the Atlanta Braves for pitcher Joe Johnson. He spent four years with the Braves, compiling a record of 7–27 with 16 saves and a 3.71 ERA in 169 games.
Acker spent part of the 1989 year and the complete 1990 and 1991 seasons back with the Blue Jays. In his entire seven-year career with the Jays he compiled a record of 26–22 with 14 saves and an ERA of 4.07 in 281 games. On October 31, 1991, he was granted free agency.
Seattle Mariners
Acker signed as a free agent with the Seattle Mariners on February 2, 1992. He appeared in 17 games with the Mariners, compiling a 5.28 ERA, before he was released on July 21, 1992.[1]
Retirement
Acker ended his baseball career after six appearances with the Oklahoma City 89ers, the Texas Rangers Triple-A affiliate, in 1993.
Career statistics
In 467 major league games, Acker compiled a 33–49 record with 32 games started, 159 games finished, 30 saves, 329 walks, 482 strikeouts and a 3.97 ERA.