There’s a first time for everything, but in baseball, firsts can be somewhat hard to come by given the 150-year history of the sport has seen more than 20,000 players suit up for millions and millions of at bats. For that reason, it’s good to celebrate firsts when we find them in the sport, and this year, we’re seeing quite a few thanks to the introduction of the ABS challenge system.
We're here to keep track all of the memorable firsts as they roll in.
