Willis Roberts debuted on July 2, 1999, playing for the Detroit Tigers at Tiger Stadium; he played his final game on August 13, 2004, playing for the Pittsburgh Pirates at PNC Park.
Willis Cole debuted on August 22, 1909 and played his final game on June 13, 1910.
NFL player Patrick Willis played for Mississippi.
Willis Roberts played in 9 games at pitcher for the Pittsburgh Pirates in 2004, starting in none of them. He played for a total of 36 outs, equivalent to 1.33 9-inning games. He made one putout, had 3 assists, and committed no errors, equivalent to 0 errors per 9-inning game. He had one double play.
NBA player Brian Roberts played for Dayton.
NFL player Andre Roberts played for The Citadel.
NFL player D.J. Roberts played for Tennessee-Martin.
NBA player Chris Douglas-Roberts played for Memphis.
Jim Willis debuted on April 22, 1953, playing for the Chicago Cubs at Wrigley Field; he played his final game on June 5, 1954, playing for the Chicago Cubs at Wrigley Field.
Les Willis debuted on April 28, 1947, playing for the Cleveland Indians at Cleveland Stadium; he played his final game on August 23, 1947, playing for the Cleveland Indians at Cleveland Stadium.
Willis Otanez debuted on August 25, 1998, playing for the Baltimore Orioles at Oriole Park at Camden Yards; he played his final game on October 3, 1999, playing for the Toronto Blue Jays at Skydome.
Carl Willis debuted on June 9, 1984, playing for the Detroit Tigers at Tiger Stadium; he played his final game on May 3, 1995, playing for the Minnesota Twins at Hubert H Humphrey Metrodome.
Dale Willis debuted on April 14, 1963, playing for the Kansas City Athletics at Municipal Stadium I; he played his final game on September 13, 1963, playing for the Kansas City Athletics at Municipal Stadium I.