The Kansas City Royals were left holding their breaths on Wednesday when star shortstop Bobby Witt Jr. was hit by a pitch in the forearm and was forced to exit their game against the Seattle Mariners.

But here’s something you might not know about the 24-year-old Texan: He uses aliases to bid against other people buying baseball cards on eBay. He revealed this little secret to Clict Media, a news outlet that covers the collectibles industry.

Kansas City Royals shortstop Bobby Witt Jr. was hit on the forearm by a pitch and left a spring training game against Seattle, but X-rays came back negative and the club said its young All-Star will continue to be evaluated.