49ers star TE George Kittle (hamstring) misses practice

(Photo credit: Brad Rempel-Imagn Images)
The San Francisco 49ers are facing another blow to their offense after star tight end George Kittle missed Thursday's practice with what ESPN and NFL Network reported to be hamstring tightness.

The 49ers may not have Kittle available for Week 3 when they face the Los Angeles Rams on Sunday.

Kittle, a five-time Pro Bowler and four-time All-Pro selection (including twice to the fir