The OKC Thunder announced in its injury report Sunday that Jalen Williams is dealing with a right hamstring strain.
Williams sustained the injury during the second quarter of OKC’s 122-120 road loss to the Miami Heat on Saturday. A timeline for his return has not yet been given, but he has been listed as out for a road game against Cleveland at 1:30 p.m. CST Monday.
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It’s an unfortunate setback for Williams, who missed the first 19 games of the season due to a right shooting wrist injury that required two surgeries. The All-NBA forward is averaging 16.8 points, 5.6 assists and 4.8 rebounds.
OKC is now without two of its usual starters. Isaiah Hartenstein will also miss his 12th straight game Monday due to a right soleus (calf) strain.
More: OKC Thunder falls short vs Miami Heat after Jalen Williams exits with sore right thigh

Jan 17, 2026; Miami, Florida, USA; Oklahoma City Thunder guard Jalen Williams (8) reacts against the Miami Heat during the second quarter at Kaseya Center. Mandatory Credit: Sam Navarro-Imagn Images
Justin Martinez covers the Thunder and NBA for The Oklahoman. Have a story idea for Justin? He can be reached at jmartinez@oklahoman.com or on X/Twitter at @Justintohoops. Sign up for the Thunder Sports Minute newsletter to access more NBA coverage. Support Justin’s work and that of other Oklahoman journalists by purchasing a digital subscription today at subscribe.oklahoman.com.
This article originally appeared on Oklahoman: OKC Thunder’s Jalen Williams sustained right hamstring strain vs. Heat