During his playing days, Antolick stood 6 feet (1.83 m) tall, weighing 185 pounds (84 kg); he batted and threw right-handed.

A season earlier, he was recalled by the Phillies after the 1944 minor league season—which he spent with the Class B Wilmington Blue Rocks—for his big-league debut on September 20, 1944, in a home game against the Cincinnati Reds at Shibe Park.

[1] Five days later, he started his only MLB game at catcher and collected his first hit, a single off the Chicago Cubs' Charlie Gassaway.

[2] Then, the following day, he relieved starting catcher Johnny Peacock and singled in his only at bat off Hank Wyse, one of only four Phillies' hits in a 15–0 loss.

In his three appearances as a catcher he handled 10 chances without making an error and participated in one double play.