Ken Reitz, American baseball player (born 1951)

Kenneth John Reitz was an American baseball third baseman who played 11 seasons in Major League Baseball (MLB). Nicknamed "Zamboni", he played for the St. Louis Cardinals, San Francisco Giants, Chicago Cubs, and Pittsburgh Pirates from 1972 to 1982. He won the Gold Glove Award in 1975 and was an All-Star in 1980. He retired with the highest all-time career fielding percentage for National League third basemen at .970 after leading the National League in fielding percentage a record six times.

March 31 is the 90th day of the year in the Gregorian calendar; 275 days remain until the end of the year.