FILE - Detroit Tigers starting pitcher Edwin Jackson throws during the first inning of the team's baseball game against the Kansas City Royals on Sept. 4, 2019, in Kansas City, Mo. Jackson says 14 teams will be it.
The well-traveled pitcher, who spent 17 seasons in the majors, announced his retirement on Instagram on Friday — his 39th birthday and the 19th anniversary of his big league debut. Jackson played for a record 14 clubs, most recently in 2019 with Toronto and Detroit. (AP Photo/Charlie Riedel, File)