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Did Tom Seaver really have 300 wins?
On August 4, 1985, Tom Seaver recorded his 300th victory at Yankee Stadium against the Yankees, throwing a complete game 4 to 1 victory.
What team was Tom Seaver playing for at that time he recorded his 300th victory?
On January 20, 1984, the Chicago White Sox claimed Tom Seaver from the Mets in a free-agent compensation draft.
Who is Rizzuto?
Phil Rizzuto was an American Major League Baseball shortstop.

Question: Did Seaver play for any other baseball teams when attempting his 300 wins?
Self-contained rewrite: Did Tom Seaver play for any other baseball teams besides the Chicago White Sox when attempting his 300 wins?