Cody Poteet successfully challenged a fastball he threw in the Cubs' spring training opener with MLB's Automated Ball-Strike System.

The "automated ball-strike challenge system" or ABS will be active during 60% of spring training games this year, allowing pitchers, catchers and batters to call for automated ball-strike call reviews.

As you may have picked up, Poteet appealed the ball ruling by tapping the top of the head. Review of the pitch indeed flipped it from a called ball to a strike, which means Poteet