On July 13, 2019, a player in the Atlantic League baseball league became the first professional player in baseball history to do what?

During the Southern Maryland Blue Crabs' game against the Lancaster Barnstormers on July 13, 2019, player Tony Thomas became the first person in baseball history to steal first base thanks to an experimental rule change allowing the practice.

Asked by Darrell Rowe · Last updated 5 years ago · 1.1K views