Karl Olson debuted on June 30, 1951, playing for the Boston Red Sox at Fenway Park II; he played his final game on June 10, 1957, playing for the Detroit Tigers at Briggs Stadium.
NFL player Jeff Olson played for Texas Christian.
Karl Adams debuted on April 19, 1914 and played his final game on September 23, 1915.
Karl Best debuted on August 19, 1983 and played his final game on June 20, 1988.
Karl Drews debuted on September 8, 1946 and played his final game on September 20, 1954.
Karl Olson played in 78 games at outfield for the Boston Red Sox in 1954, starting in 44 of them. He played for a total of 1407 outs, equivalent to 52.11 9-inning games. He made 122 putouts, had 10 assists, and committed 6 errors, equivalent to .115 errors per 9-inning game. He had one double play.
Karl Olson played in 36 games at center field for the Boston Red Sox in 1954, starting in 30 of them. He played for a total of 817 outs, equivalent to 30.26 9-inning games. He made 78 putouts, had 4 assists, and committed 4 errors, equivalent to .132 errors per 9-inning game. He had one double play.
NFL player Karl Williams played for Utah.
NFL player Karl Klug played for Iowa.
Gregg Olson debuted on September 2, 1988, playing for the Baltimore Orioles at Memorial Stadium; he played his final game on June 22, 2001, playing for the Los Angeles Dodgers at Dodger Stadium.
Ivy Olson debuted on April 12, 1911, playing for the Cleveland Naps at League Park II; he played his final game on July 21, 1924, playing for the Brooklyn Robins at Ebbets Field.
Tim Olson debuted on May 30, 2004, playing for the Arizona Diamondbacks at Bank One Ballpark; he played his final game on June 19, 2005, playing for the Colorado Rockies at Coors Field.
Marv Olson debuted on September 13, 1931, playing for the Boston Red Sox at Fenway Park I; he played his final game on April 30, 1933, playing for the Boston Red Sox at Fenway Park I.