MLB testing automated check-swing challenge system this fall

Check Swing Challenge system being tested in Arizona Fall League
It’s one of the great sports debates – was that a swing? Every baseball fan has participated in the discourse at one point or another. You’re watching a game when a pitcher throws, say, a nasty changeup that dives below the zone.
MLB testing automated check-swing challenge system this fall as league further embraces robo ump experiments
There's no indication of if and/or when the automated check-swing challenge will make its way to the regular season and up to the majors. ( MLB continues to experiment with the automated ball-strike system in the minor leagues, with commissioner Rob Manfred suggesting it could be introduced down the road in MLB using a similar challenge system .)
MLB is testing a check swing challenge system in the Arizona Fall League
In some games in the Arizona Fall League, MLB is now testing a challenge system that aims to specifically define that. This article by Sam Dykstra at MLB.com explains how it works: Using the same Hawk-Eye technology as the Automated Ball-Strike Challenge system already in place in the Arizona Fall League,
Mets Prospect Drew Gilbert Successfully Challenges Check Swing in Arizona Fall League
Drew Gilbert became the first player to challenge a check swing call in the Arizona Fall League, and the Mets top prospect drew a walk after winning his appeal.
MLB debuts automated check-swing challenges: Will it reach the big leagues?
Baseball history was made this week, just not during either league championship series.
Arizona Fall League update: Checking on top DBacks performers among MLB prospects
Juan Baez, a 19-year-old Brewers prospect from the Dominican Republic, led the AFL in batting average at .519 through Wednesday. He was 14-for-27 in eight games and also had the top marks in on-base percentage (.594) and OPS (1.483).
Liberty Line9h
MLB Tests First-Ever Checked-Swing Challenge System In Arizona Fall League
MLB’s replay system is getting another potential upgrade, with the league testing a check-swing review system in the Arizona Fall League. In Tuesday night’s ...
Around The Foghorn13h
Check swing replay system comes a few years too late for SF Giants
With the Arizona Fall League implementing a replay system for check swings, SF Giants fans cannot help but think that this change came a few years too late. It ...
MLB17h
Phillies' talented defender Rincon focused on bat in Arizona Fall League
By now, Phillies infield prospect Bryan Rincon understands that fulfilling his dream of becoming a big leaguer isn’t going to ...
Arizona Fall League reports: Ethan Salas, Termarr Johnson, Colt Emerson and more
Notes on prospects, including Thomas Saggese, Moises Ballesteros, Edwin Arroyo, Jac Caglianone, Chase DeLauter and many more.
Sports Illustrated1mon
Look: Cincinnati Reds Announce Big League Participants in Arizona Fall League
The Cincinnati Reds announced the eight players that will play in the Arizona Fall League on Wednesday morning. Jose Acuna, Edwin Arroyo, Tyler Callihan, Christian-Encarnacion Strand, Arij ...
Detroit Free Press1mon
Detroit Tigers sending 8 players to Arizona Fall League, including Thayron Liranzo
The Detroit Tigers are sending eight minor-league players, including three prospects from their top 30, as ranked by MLB Pipeline, to the Arizona Fall League ... a powerful swing with ...