UCLA quarterback Josh Rosen dealing with nerve issue in shoulder

UCLA quarterback Josh Rosen has missed two games with a shoulder injury and isn't a lock to be ready Nov. 3 against Colorado. (Photo by Keith Birmingham, Los Angeles Daily News/SCNG)LOS ANGELES – The UCLA football team has a bye week, but Coach Jim Mora is still unsure if a few extra days of rest will be enough to get quarterback Josh Rosen back on the field.

Mora said Monday a nerve problem in Rosen’s right shoulder remains the biggest issue for the star sophomore, who missed his second consecutive game Saturday against Utah.

The problem is getting a nerve to fire in Rosen’s shoulder, the coach said, but there is no timetable on when that might happen. UCLA (3-5, 1-4 Pac-12) faces Pac-12…