Robert Avery "Lefty" Barnes (January 6, 1902 – December 8, 1993) was an American Major League Baseball pitcher who played in two games for the Chicago White Sox in 1924.
Bob Barnes
| Given name: | Robert Avery Barnes |
| Nicknames: | None |
| Primary Pos: | Pitcher |
| Hght/Wght: | 5'11" / 150 lbs |
| Bats/Throws: | L / L |
| Born: | Jan 6, 1902 in Washburn, IL |
| Died: | Dec 8, 1993 in Peoria, IL (91 years old) |
| Debut: | Jul 8, 1924 |