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Darrelle Revis is coming off an ACL tear, but he is still probably the best defensive back in the NFL—and he is a guy the 49ers could use.
According to NFL.com, the 49ers are interested in Revis. While the 49er defense performed very well in 2012, there is good reason for the 49ers to have interest in the league's best cornerback.
Tarell Brown performed very well in the playoffs, with one interception and another one negated due to a questionable penalty. However, Carlos Rogers failed to improve upon his 2011 Pro Bowl campaign, and Rogers was a liability for the 49ers.
And Chris Culliver? He struggled in the playoffs, and while he had an interception, it was caused by Atlanta Falcons wide receiver Roddy White, who likely would have caught the pass, slipping. In the Super Bowl, Joe Flacco gashed Culliver on a couple of deep balls and other passes, one deep ball resulting in a touchdown.
I would hate to see Culliver as a regular in the secondary, and while Rogers is a capable starter, he isn't a star. Rogers deflected just seven passes in 2012 while intercepting just one. Brown deflected 14, and Patrick Willis intercepted two. The middle linebacker, Willis, intercepted twice as many passes as Rogers.
Brown isn't exactly a star either, so while the 49ers have a very good defense, they lack a star in the secondary.
Revis is a star, and he is exactly what the 49ers need to make their defense complete.
He has defensed 98 passes and intercepted 19 in just 79 games, putting him up there with the best of the best. That's an average of just under 20 passes defensed per year and just under four interceptions per year.
Brown led the 49ers with 14 passes defensed and Dashon Goldson led the 49ers with three interceptions. So, Revis would lead the team in both categories, and he would lead the team in impact as well. In 2011, Revis' last full season, his numbers were astounding.
Opposing quarterbacks completed 41.2 percent of their passes against Revis, which is a lot lower than Tim Tebow's completion percentage. They also posted a horrific 45.6 passer rating against him, both horrible numbers for quarterbacks and eye-popping stats for Revis.
The star cornerback is 27 years old and worth just $15 million over the next two years, which is incredible value for someone of Revis' caliber. The 49ers would probably have Revis for a while, as Revis would love being on a great team. If Revis performs at the level he has been playing, he would be in line for a monster contract extension.
Having Brown and Revis as the starting cornerbacks would make the defense, which still allowed about 17 PPG (points per game) in 2012, a whole lot better. Matt Ryan threw for 396 yards in the NFC Championship Game against the 49ers, but with Revis, that wouldn't happen.
And playoff failure wouldn't happen either.
Note: Some stats are from Pro Football Focus.