On August 7, 1904 — The Giants swap outfielders sending rookie OF Moose McCormick (.266) west to the Reds who in turn send him to Pittsburgh for Jimmy Sebring (.269). The Reds ship Mike Donlin (.356) to the Giants. Turkey Mike, sitting out a month’s suspension for drunken behavior in Chicago, will enjoy the New York life style and being reunited with John McGraw, for whom he starred at Baltimore in 1901. He’ll help the Giants win two straight pennants.

Source:
Baseball Reference August 7
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game