Cubs and Rockies stars let out frustrations with ump-charging

Joe Maddon's unconventional style has made him the toast of Chicago – Sun Sentinel

No homers, but Cubs walk past Reds as furious Bell channels Earl Weaver

Phillies' Harper flips out on ump, tosses helmet into the stands where it's retrieved by 10-year-old

Umpire stares at Bumgarner while massaging his hand, a breakdown : r/baseball

Cubs unsung heroes: Troy O'Leary, September 6, 2003 - Bleed Cubbie Blue

I made a video game where you play as a baseball umpire: The Ump Show! Call balls and strikes and see how accurate you can be. But also make sure your favorite team wins! : r/baseball

Derryl cousins hi-res stock photography and images - Alamy

Should MLB use an automated strike zone in place of umps? “Yes, a thousand percent yes.” – The Denver Post

Bryce Harper goes ballistic on Angel Hernandez after check swing

Ted Barrett to head NLCS umpires, Alfonso Márquez ALCS umps - The San Diego Union-Tribune

As MLB moves toward using 'robot umpire,' getting strike/ball calls right is the goal