It's been a busy and eventful nine days for the 49ers.First, they broke the only two-game losing streak of Jim Harbaugh's pro coaching career by thumping the Rams in St. Louis, 35-11, on Thursday, Sept. 26. Since then, safety Donte Whitner has legally changed his last name to Hitner, the Seahawks signed quarterback B.J. Daniels away when the Niners tried to move him onto their practice squad and ex-Cardinals quarterback John Skelton was added to the roster, likely to challenge Colt McCoy for the No. 2 job.Meanwhile, the 49ers are trying to build on the victory over St. Louis – fashioned by a return to their strong rushing attack of the past two seasons – by getting ready for the Houston Texans, a talented but troubled bunch that has the same 2-2 record as San Francisco.Oddsmakers have made the 49ers seven-point favorites over the Texans, who managed to turn a 20-6 halftime lead over the Seahawks into a loss in overtime last week.Despite the ugly loss, the Texans have some of the most talented players in the league with running back Arian Foster, wideout Andre Johnson, linebacker Brian Cushing and defensive end J.J. Watt. The Texans rank first in the NFL in total...