Sparky Anderson, the first manager to win the World Series in each league, also becomes the first manager to win 600 games in both the National and American Leagues when his Tigers beat the Brewers, 9 – 5.

On July 29, 1986 — Sparky Anderson, the first manager to win the World Series in each league, also becomes the first manager to win 600 games in both the National and American Leagues when his Tigers beat the Brewers, 9 – 5.

Source:
Baseball Reference July 29
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game