Donald Roy Sidle was an American professional basketball

Basketball

Basketball is a team sport in which two teams of five players try to score points by throwing or "shooting" a ball through the top of a basketball hoop while following a set of rules...

 player.

A 6'8" forward/center, Sidle played at the University of Oklahoma

University of Oklahoma

The University of Oklahoma is a coeducational public research university located in Norman, Oklahoma. Founded in 1890, it existed in Oklahoma Territory near Indian Territory for 17 years before the two became the state of Oklahoma. the university had 29,931 students enrolled, most located at its...

 from 1965 to 1968. He was an All-America

All-America

An All-America team is an honorary sports team composed of outstanding amateur players—those considered the best players of a specific season for each team position—who in turn are given the honorific "All-America" and typically referred to as "All-American athletes", or simply...

n in 1967 and 1968, after seasons in which he averaged 23.7 points and 19.8 points per game, respectively.

Sidle was selected by the San Francisco Warriors with the 29th pick of the 1968 NBA Draft

1968 NBA Draft

The 1968 NBA Draft was the 22nd annual draft of the National Basketball Association . The draft was held on April 3, 1968 and May 8, 1968 before the 1968–69 season. In this draft, 14 NBA teams took turns selecting amateur U.S. college basketball players. A player who had finished his four-year...

, but he spent his professional career in the American Basketball Association

American Basketball Association

The American Basketball Association was a professional basketball league founded in 1967. The ABA ceased to exist with the ABA–NBA merger in 1976.-League history:...

 as a member of the Miami Floridians

Miami Floridians

The Miami Floridians, later in their history known simply as The Floridians, were a professional basketball franchise in the original, now-defunct American Basketball Association. The Miami Floridians played in the ABA from 1968 through 1970 when they became simply The Floridians...

, Denver Rockets, Indiana Pacers

Indiana Pacers

The Indiana Pacers are a professional basketball team based in Indianapolis, Indiana. They are members of the Central Division of the Eastern Conference of the National Basketball Association...

, and Memphis Pros

Memphis Pros

Memphis Pros were an American Basketball Association team during the 1970-1971 and 1971-1972 seasons.-Origins:The New Orleans Buccaneers were a charter member of the ABA and played for three seasons, 1967-1970, winning the Western Division championship in 1969...

. Over four seasons (1968-1972) he averaged 13.5 points and 8.0 rebounds per game. He ranked eighth in the ABA in rebounds per game (12.9) and seventh in total rebounds (1,082) during the 1969-70 ABA season.