Dan Iassogna: MLB umpire since 1999, has worked the All-Star game, World Series & also the World Baseball Classic internationally - Italian Americans in Baseball
Barrett, Márquez, Meals, Nelson MLB wild-card crew chiefs - The San Diego Union-Tribune
Phillies get help from umps to sweep twinbill from Nats – Trentonian
Dan Iassogna World Series umpire crew chief
Dodgers-Braves NLCS umpires 2020: Jim Reynolds is the crew chief - True Blue LA
Iassogna will be World Series umpire crew chief, The Latest from WDEL Sports
Home plate umpire crew chief hi-res stock photography and images - Alamy
AP sources: MLB umpire tests positive for virus, crews shift, Taiwan News
Play Ball! UConn Magazine
Phillies, Nationals, umpire Dan Iassogna discuss obstruction call
Chance Encounters of the Life-Changing Kind
MLB Umpires Missed 34,294 Ball-Strike Calls in 2018. Bring on Robo-umps?, Bostonia