With Patrick Willis and Aldon Smith out and the 49ers' defense seemingly defenseless in two consecutive losses, linebacker NaVorro Bowman decided it was time to make a statement.So, in Thursday night's nationally televised NFC West matchup against the Rams, Bowman put on a show, fired up his teammates and delivered the message that San Francisco can again be a dominating defense.Bowman had six tackles (including three for loss), a tipped pass that produced an interception and two sacks, including one that forced a fumble from Rams quarterback Sam Bradford and led to a 49ers touchdown."If a link gets taken out of a chain, someone has to step up," Bowman told reporters after Thursday night's victory, which evens the team's record at 2-2. "Being a veteran guy, you have to think like that if you want to be the best. I was just playing my game."Before the 49ers even took the field Thursday, Bowman – one of the NFL's best inside linebackers – was determined to make a difference.In losing two straight, the 49ers didn't look like the same team they were in 2012 and 2011. They couldn't stop the run and couldn't get to the quarterback, and were being beaten at their own physical...