On July 23, 2025, it was announced that Arenas would miss 6-to-8 months due to a torn meniscus that required surgery.[9] He made his debut for the Trojans in January 2026. Following his freshman season, Arenas declared for the 2026 NBA draft before withdrawing and returning to school.[10]
On April 24, 2025, it was reported that Arenas was involved in a serious car crash and was hospitalized and placed into an induced coma.[12] According to a Los Angeles Fire Department public information officer, officials responded to a call at 4:55a.m. after a Tesla Cybertruck crashed into a tree/fire hydrant with fire involved. The LAFD did not identify the person involved but said that the 18-year-old driver was out of the vehicle and that he was transported to the hospital in serious condition. Sources confirmed that Arenas was involved in the crash and told ESPN that initial tests showed he did not suffer broken bones.[13]
