Zarilla was born in Los Angeles, California. A solid outfielder with a strong arm and basically a line-drive hitter, Zarilla started his major league career in 1943 with the St. Louis Browns. In 1944 he hit.299 in 100 games, scoring and driving in a run inGame Three of the World Series. After that, he served in the military, returning to the major leagues in 1946. Zarilla had his most productive season in 1948, when he posted career-highs in average, hits, home runs, doubles, stolen bases and games, while scoring 77 runs with 74 RBI and made his only appearance in the All-Star Game. By 1949, Zarilla was the lone member of the pennant-winning 1944 Browns still on the roster. That year, the team sent Zarilla to the Boston Red Sox. He hit.281 in 124 games for his new team, and enjoyed another fine season in 1950 with a.325 average, joining Dom DiMaggio and Ted Williams in the Boston all-.300 outfield. He also collected career-highs in slugging percentage, runs and walks, and tied a major league record with four doubles in a game. On December 10, 1950, Zarilla was traded by the Boston Red Sox with Joe Dobson and Dick Littlefield to the Chicago White Sox for Bill Wight and Ray Scarborough. Zarilla and Gus Zernial teamed up in April 1951 to become the only players whose last names started with "Z" to play together in the same outfield. Zarilla and Zernial played right and left field, respectively, as part of a White Sox outfield unit in four games. At the end of April, Zernial was traded to the Philadelphia A's. In 1952, Zarilla divided his playing time between the White Sox, Browns and Red Sox. He played his final major league game at the age of 34 with Boston in the 1953 season. Zarilla is also remembered for a call by Dizzy Dean, the former Cardinals pitching ace turned Browns broadcaster, who saw him slide into third base, and yelled, "Zarilla slud into third!" In a ten-season MLB career, Zarilla posted a.276 batting average with 61 home runs and 456 RBI in 1120 games played. He posted a career.974 fielding percentage at all three outfield positions. Zarilla scouted for multiple MLB teams after his playing career, and spent one season,, on the coaching staff of his old teammate Ted Williams, then the manager of the Washington Senators. He died in Honolulu, Hawaii, at the age of 77.