Tom Hallion to be plate umpire for July 13 MLB All-Star Game - The San Diego Union-Tribune
Angel Hernandez now interim umpire crew chief after opt outs
Replay review and ejections - Beyond the Box Score
MLB to host Umpire Prospect Development Camp
Buck Showalter irate after 'umpire's mistake' costs Mets
MLB umpires to use microphones to announce replay review decisions - Sports Illustrated
Angel Hernandez wasn't even close on this call at first base
Blue Jays 3, Twins 2: Bad Replay Review Costs Twins - Twins - Twins Daily
Explaining how a blown call on a check swing felled Giants - Los Angeles Times
Barrett, Márquez, Meals, Nelson MLB wild-card crew chiefs - The San Diego Union-Tribune
MLB hasn't perfected replay review, and it's hurting game's pace of play – New York Daily News
4 umpires get World Series call for 1st time