Gore's injury 'not believed to be serious'

Gore sustained an ankle sprain against the Seahawks. (A sprain is an injury to a ligament). The injury Gore sustained Sunday was described as an ankle strain. (A strain is an injury to a muscle or tendon). It should be noted that the only other recent "ankle strain" by a 49ers player was Patrick Willis' injury, which he sustained Aug. 3 during a "nutcracker drill." He missed two weeks of training camp with an injury that was later revealed to be a strain of the Achilles tendon. Gore is scheduled to have an MRI examination later today. "It is not believed to be serious," Singletary said. * * * Left tackle Joe Staley (right knee contusion) will be getting an MRI today, too. Staley said the injury was sustained on a leg whip. The remainder of the injury report is: linebacker Takeo Spikes (left leg contusion); safety Reggie Smith (right groin pull); linebacker Jeff Ulbrich (right quadriceps contusion); cornerback Dre' Bly (ri...