San Francisco 49ers tight end Vernon Davis smiles before an NFL football game against the Chicago Bears in Santa Clara, Calif., Sunday, Sept. 14, 2014.
San Francisco 49ers tight end Vernon Davis smiles before an NFL football game against the Chicago Bears in Santa Clara, Calif., Sunday, Sept. 14, 2014. Tony Avelar AP
San Francisco 49ers tight end Vernon Davis smiles before an NFL football game against the Chicago Bears in Santa Clara, Calif., Sunday, Sept. 14, 2014. Tony Avelar AP