When Do Umpires Mess Up Balls And Strikes Calls?

Baseball umpires are not immune to psychological biases, and it's an old adage of baseball commentating that strike zones get smaller when there are two strikes, and larger when there are three balls. In their Sloan finalist paper "What Does it Take to Call a Strike? Three Biases in Umpire Decision Making," authors Etan… » 2/25/14 2:08pm 2/25/14 2:08pm

MLB Approves Instant Replay; Here's How It Will Work

At the owners' meetings in Orlando yesterday, MLB's 30 owners unanimously approved funding for an extensive instant replay system to be implemented for 2014. From a practical standpoint, this means we now have our first official description of what the system will look like. » 11/15/13 9:31am 11/15/13 9:31am

MLB Umpires Manage To Blow Two Calls On The Same Play

Our old pals Tony Randazzo and Jordan Baker should have another set of companions in internet ignominy today: third-base ump Cory Blaser and first-base ump Ed Hickox both blew calls in the 12th inning of Padres-Rockes last night. And each of those blown calls came on the play where the Padres scored the winning run. So … » 6/07/13 2:40pm 6/07/13 2:40pm