Joe West was the worst ball and strike umpire in baseball this year - NBC Sports
Immediate review says: Good for MLB for expanding instant replay
Umpire Joe West works 5,000th career game
Legendary umpire Joe West dishes on players, managers and replay at 5,000th game
Even with no baseball, Joe West is still making terrible calls, This is the Loop
Robot umpires debut in independent Atlantic League
Computers could soon call balls and strikes in MLB games instead of Joe West and other umpires
Why do we still use human umpires for calling balls and strikes in Major League Baseball (MLB) games? - Quora
An Exploration of MLB Umpires' Strike Zones
Major League Baseball teams now scouting umpires too
World Series ump crew youngest in years
Are MLB's older umpires in danger?
Computer to call balls and strikes in minor league
As MLB moves toward using 'robot umpire,' getting strike/ball calls right is the goal