You can't be the player's friend': inside the secret world of tennis umpires, Tennis
Wendelstedt Umpire School - A History of Excellence
Little League® International Applauds Umpire Gerry Davis on His Milestone Achievement - 5,000th MLB Game - Little League
GSA Spotlight: Auburn's Sonny DiChiara
Washington DC's 500 Most Influential People of 2023
Reviews - GEORGE VECSEY
Little League® International Applauds Umpire Gerry Davis on His Milestone Achievement - 5,000th MLB Game - Little League
Five Minutes with Gerry Davis - Little League
Little League Umpire Apparel - Official
The Sports Bookie: Bob D'Angelo's Books & Blogs - Bob D'Angelo's Books & Blogs
Jackie Robinson: 5 famous Brooklynites share memories of Dodgers legend on 70th anniversary of big-league debut – New York Daily News