LONDON – Raiders head coach Dennis Allen may not have his title much longer.
SANTA CLARA -– Vernon Davis and Anthony Davis returned from injuries to start Sunday’s game only to leave early with different physical problems.
LONDON – Derek Carr struggled to walk on a bum leg, but he didn’t want to come off the field. The Raiders were in a no huddle, and an injury timeout would surely kill offensive rhythm.
UPDATE (2:15 p.m.) -- Crabtree jogged back to the 49ers' sideline after being examined in the 49ers locker room. He was back on the field for the 49ers' first play of the second quarter.