Report: Beathard '50-50' to play vs. Raiders due to wrist injury

San Francisco 49ers quarterback C.J. Beathard is "truly 50-50" to play in Thursday's game with the Oakland Raiders due to a wrist injury, a source told ESPN's Adam Schefter.

Beathard is struggling to grip a football due to the injury, according to Schefter, and has been listed as questionable by the 49ers. If he can't play, second-year passer and former undrafted free agent Nick Mullens will start.

Mullens completed 72.1 percent of his passes over four preseason contests earlier this year, tossing one touchdown and three interceptions while adding another two scores on the ground.

Former Houston Texans passer Tom Savage is the only other QB on the 49ers' roster.

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