The Blue Jays obtain OF Dave Martinez from the Rangers for a player to be named later. Martinez becomes the 9th major leaguer to play for four teams in a season. The last to do so was Dave Kingman, in 1977: before him, the four-in-one players were Frank Huelsman, 1904; Willis Hudlin, 1940; Paul Lehner, 1951; Ted Gray, 1955; Wes Covington, 1961; and Mike Kilkenny, 1972.

On August 4, 2000 — The Blue Jays obtain OF Dave Martinez from the Rangers for a player to be named later. Martinez becomes the 9th major leaguer to play for four teams in a season. The last to do so was Dave Kingman, in 1977: before him, the four-in-one players were Frank Huelsman, 1904; Willis Hudlin, 1940; Paul Lehner, 1951; Ted Gray, 1955; Wes Covington, 1961; and Mike Kilkenny, 1972.

Source:
Baseball Reference August 4
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game