On August 5, 1993 — In the Padres’ 11-10 victory over the Giants, Tony Gwynn goes 6-for-7 in the 12-inning contest played at Qualcomm Stadium. The San Diego right fielder’s performance at the plate marks the fourth time this season he has collected five or more hits, tying the major league record shared by Hall of Famers Ty Cobb and Stan Musial.

Source:
Baseball Reference August 5
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game