Major League Baseball Umpires Association on X: It's been asked
The Last Fun Umpire - Baseball ProspectusBaseball Prospectus
Former National League umpire Dutch Rennert dies at 88
Members of baseball community who died in 2018
Former MLB umpire Dutch Rennert, owner of one of MLB's best strike
1974 Baseball Tweets on X: R.I.P. to longtime umpire Dutch
The Dying Art of the Manager Meltdown - The New York Times
Former MLB umpire Dutch Rennert, owner of one of MLB's best strike
Los Angeles Dodgers Reggie Smith watches the flight of the ball as
Members of baseball community who died in 2018
1988 T/M Umpires #18 Dutch Rennert - NM-MT