MLB umpire job responsibilities

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

An analysis of nearly 4 million pitches shows just how many mistakes umpires make

Hazards of the Job: Umpire Injury, Told by Those Who Witnessed It

The Umpire Strikes Back - WSJ

Are MLB umpires ruining the sport of baseball? - Quora

MLB Umpires Association, adamant that crews are simply upholding rule, address home-plate collision rule in statement - ESPN

MLB umpire Dale Scott retires rather than risk more concussions – The Denver Post

A New Study Shows Umpire Discrimination Against Non-White Players - Baseball ProspectusBaseball Prospectus

10 Secrets of MLB Umpires

MLB, Official Information, Umpires

Gibson makes final call: MLB umpire retires after 24-year career, Sports

Eastern League's Matsuda working to become first major league umpire from Japan