From the first-ever ABS challenge to the first ejection involving an ABS challenge, here are all of MLB's firsts involving the new balls-and-strikes arbiter.

Shohei Ohtani uncorked a first-pitch sinker to George Springer that dropped below the zone. The two-way star's hand went to ...

Football has debuted YET ANOTHER new feature involving technology and officiating. The VAR challenge was used for the first ...