The Cardinal has already lost Marcus Allen to injury earlier this preseason Mark Humphrey AP Photo/Mark Humphrey

The injury woes have reportedly for Stanford this preseason on Tuesday.

Tom FitzGerald of the San Francisco Chronicle reported that sophomore point guard Robert Cartwright has suffered a broken right forearm and is out indefinitely.

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Cartwright averaged 1.9 points in 11.1 minutes per game as a freshman. Three weeks ago, Marcus Allen, who started 22 of 36 games a season ago, suffered a stress fracture in his foot. He's expected to be back in December. Cartwright and Allen were the only returning guards on the roster to see more than 10 minutes per game last year.

Stanford hosts Green Bay on Nov. 13 to open the 2015-16 season.