Mike Person #78, Kenny Wiggins #65 and Anthony Davis #76 participate in drills during practice at the San Francisco 49ers training facility on July 30, 2011 in Santa Clara. (Thearon W. Henderson/Getty Images)
San Francisco 49ers Training Camp
Head coach Jim Harbaugh of the San Francisco 49ers gives a play to his offense during practice. (Photo by Thearon W. Henderson/Getty Images)
San Francisco 49ers Training Camp
San Francisco 49ers Training Camp
San Francisco 49ers Training Camp
Colin Kaepernick #7 of the San Francisco 49ers participates in passing drills during practice. (Photo by Thearon W. Henderson/Getty Images)
San Francisco 49ers Training Camp
San Francisco 49ers Training Camp
San Francisco 49ers Training Camp
San Francisco 49ers Training Camp
Aldon Smith #48 and Ahmad Brooks #55 of the San Francisco 49ers participate in drills during practice. (Photo by Thearon W. Henderson/Getty Images)