William Keith McDonald
- Bats Right, Throws Right
- Height 6' 2", Weight 215 lb.
- School Cypress College, Pepperdine University
- High School Esperanza High School
- Debut July 4, 2000
- Final Game September 28, 2001
- Born February 8, 1973 in Yokosuka, Japan
Keith McDonald tied Bob Nieman's record by homering in his first two major league at bats on July 4 and July 6, 2000. He had three major league hits, all of which were homers -- he is the only player in history to accomplish that feat.
Keith retired with a major league line of .333/455/1.333, getting three home runs in nine at-bats, and also receiving two walks.
He had 13 seasons in the minors, primarily as a catcher, appearing in nearly 1,000 games. He hit over .300 in both 1998 and 1999.