Answer
Five seasons. Greg Oden was drafted as the first overall pick by the Portland Trail Blazers in the 2007 NBA draft. However, his career was marred by a series of knee injuries that limited him to just 82 games over five seasons. Despite his limited playing time, he averaged 9.4 points, 7.3 rebounds, and 1.4 blocks per game, showcasing his potential as a dominant defensive center.