San Francisco 49ers head coach Jim Harbaugh, left, shakes hands with tight end Vernon Davis (85) during NFL football practice in Santa Clara, Calif., Wednesday, May 22, 2013. (AP Photo/Jeff Chiu)
San Francisco 49ers head coach Jim Harbaugh, left, shakes hands with tight end Vernon Davis (85) during NFL football practice in Santa Clara, Calif., Wednesday, May 22, 2013. (AP Photo/Jeff Chiu)
