India, Aug. 21 -- The San Francisco 49ers' quarterback, Mac Jones, may be forced to sit out the team's preseason finale against the Los Angeles Chargers due to a sustained knee sprain. After announcing the same on Tuesday (August 19), coach Kyle Shanahan spoke about how Jones would be ready for the team's regular-season opener.

Signed as a free agent back in March, the former Alabama All-American did not leave Saturday's game with an injury and managed to run four full possessions.

"I haven't decided yet," Shanahan told the media on Tuesday, as reported by USA Today, when asked about the quarterback plan for Saturday's preseason game against the Chargers. "I initially planned on playing some guys. To be honest, I'm getting less on that ...