Another one of the newfangled stats we can't seem to live without this time of year. The theory is that left tackles, because they have to get their hands on quick passrushers to the outside and push them off their path to the passer, need to have arms a couple of inches longer than interior linemen. Some scouts grade players down significantly, for instance, if they have 33inch arms.A firstround draft pick out of Missouri in 2011, Smith also set the team's rookie sack record with 14 that year.Smith, who turns 24 on Wednesday, has had other issues with the law as he was also arrested on suspicion of drunken driving in Miami Beach in January 2012.In addition, he's named in a lawsuit by a Northern California man who said he was shot during a party at Smith's house.In the suit filed earlier this month in Santa Clara County Superior Court, David Kleczek, an attorney for Ronndale Esporlas, claims that Smith and former 49ers tight end Delanie Walker fired weapons illegally during a party