David Griffin — Banana Ball Stats & Bio
#15 · RHP · Hanover, MA
David Griffin is the Indianapolis Clowns pitcher who lets fans autograph his hat. The Curry College alumnus has turned a simple signature exchange into one of his recognizable game-day traditions.
David Griffin's 2026 Banana Ball stats
Choose a competition to see David Griffin's numbers.
World Tour · Pitching
World Tour · Fielding
Stats: Official Banana Ball statistics · Updated Oct 29, 2026 9:20 AM UTC. Competitions are shown separately.
David Griffin's recent games
Latest games with recorded individual stats in World Tour.
The pitcher with the fan-signed hat
A young fan first signed Griffin's cap during the Clowns' Memphis series in March 2026. More fans followed, and Griffin told Curry's student newspaper that the exchange helped children open up around him. His route to Indianapolis also included four years in the Mets' minor-league system.
Questions about David Griffin
Why does David Griffin have signatures on his hat?
Griffin invites fans to sign it in return after he gives them his autograph, a tradition that began during the 2026 season.
Sources and further reading
Player background checked .
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Player details: Official team roster · Checked 2026-10-12.