John James "Fats" Dantonio (December 31, 1918 – May 28, 1993) was a Major League Baseball catcher for the Brooklyn Dodgers in 1944 and 1945. "Fats" was 5 ft 8 in (1.73 m) tall and weighed only 165 pounds. Dantonio is one of many ballplayers who only appeared in the major leagues during World War II. He made his major league debut on September 18, 1944, in a road game against the Boston Braves at Braves Field. Dantonio died in his hometown of New Orleans, Louisiana, at the age of 74.