1959 – P Bob Purkey of the Reds hits a grand slam off John Buzhardt of the Cubs and wins, 12 – 3. Purkey allows six hits. Glen Hobbie takes the loss.

On August 1, 1959 — 1959 – P Bob Purkey of the Reds hits a grand slam off John Buzhardt of the Cubs and wins, 12 – 3. Purkey allows six hits. Glen Hobbie takes the loss.

Source:
Baseball Reference August 1
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game