MEMPHIS, Tenn. -- Memphis Grizzlies first-round draft pick Jarell Martin has a fractured left foot.

The Grizzlies announced Wednesday that the forward from LSU injured his foot while colliding with another player during a workout earlier that day. Martin will undergo surgery Thursday, and there is no timetable for his return.

Grizzlies team physicians Fred Azar and Drew Murphy will perform the surgery.

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Memphis selected the 21-year-old Martin with the 25th overall pick in the June draft. Martin averaged 13.7 points, 6.9 rebounds and 1.4 assists in his two-year college career.