Kysre Gondrezick's return to the basketball court has hit a major snag -- the former WNBA guard tore her Achilles during training for her Athletes Unlimited season.
TMZ Sports has learned ... Gondrezick suffered the season-ending injury on Sunday during her workout at the University of Miami. We obtained some footage of her practice, which showed her draining jumpers before the injury.
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We're told Kysre -- who recently posed nude for Playboy -- will need surgery to mend the ailment .