​The Houston Rockets have sported 52 distinct jersey numbers since the franchise began play in the 1967-68 season, with one player—the team’s assistant coach and general manager Carroll Dawson—wearing a numeral that isn’t part of a numbered series for Houston. Across the Rockets’ long history, these numbers have been worn by nearly 500 different players, a testament to the franchise’s evolving rosters and changing eras. To honor every player who ever wore a Rockets number over the decades, Rockets Wire is compiling and presenting the full history of these jersey numbers and the athletes who donned them, tracing the team’s progression from its founding through to the present day.
This expedition through Rockets lore is rich with milestones, including the seven jerseys that have been retired in recognition of the franchise’s greatest contributors. That legacy provides ample material for exploration, discussion, and reflection on the players who left lasting marks on the court. The record reflects a tapestry of stories, from early seasons to modern eras, highlighting the men who carried Houston’s colors and the roles they played in shaping the team’s identity.
Among the many chapters in this chronicle is the No. 21, worn by Kenny Thomas. In this installment, we continue our 16-part series by focusing on the forward who wore the number for the Rockets during a notable stretch of his career. Kenny Thomas played college basketball at New Mexico before being selected 22nd overall in the 1999 NBA Draft by Houston. The Rockets signed him to contribute as a young, versatile forward, and Thomas spent the early portion of his professional path with Houston, remaining with the team for parts of four seasons before his trade to the Philadelphia 76ers in 2002.
During his tenure with the Rockets, Kenny Thomas wore the No. 21 jersey exclusively and posted averages of 9.8 points, 6.3 rebounds, and 1.5 assists per game. These numbers reflect his steady contributions as a role player for the Rockets in the early 2000s, a period characterized by transition and growth for the franchise. All statistical details cited here come from Basketball Reference, which provides the comprehensive data underpinning this history.
This piece is part of Rockets Wire’s ongoing coverage of Houston’s jersey history, bringing this deep dive to life for readers who are curious about the players who wore No. 21 and the broader context of each number within the Rockets’ storied past. The article originally appeared as Houston Rockets jersey history No. 21 – Kenny Thomas (1999–2002), and its aim is to enhance search visibility while preserving the factual essence of Thomas’s Rockets tenure.