Charles Barkley, a rebounding machine who was listed at 6 feet 6 inches during his playing days, turned 50 last week. In honor of the Round Mound of Rebound, here are some other undersized yet prolific rebounders:

Forwards

Elgin Baylor

Career high: 19.8, 1960-61

Career: 13.5

Note: One of the all-time great scorers only had one full season in which he averaged fewer than 10 rebounds.

Dennis Rodman

Career high: 18.7, 1991-92

Career: 13.1

Note: Led the league in rebounds seven times and averaged 16.4 after turning 30.

Center

Wes Unseld

Career high: 18.2, 1968-69

Career: 14.0

Note: In the first four years of his career, he averaged 17.4 rebounds.

Guards

Oscar Robertson

Career high: 12.5, 1961-62

Career: 7.5

Note: Known for his 1961-62 triple-double season, he was only 0.1 rebounds away from another two years later.

Jason Kidd

Career high: 8.2, 2006-07

Career: 6.3

Note: There have only been six seasons when a 32-or-over guard has had at least 500 rebounds — Kidd has four.