Houston Rockets sign big man Rafael Castro to two-way contract, waive Tristen Newton

The Houston Rockets have signed center Rafael Castro to a two-way contract, adding the big man to their roster. Simultaneously, the team waived Tristen Newton, a former UConn guard who had been playing in the G League with the Rio Grande Valley Vipers, where he led the team in scoring last season. The moves were reported on August 26, 2026.