Asa Jackson runs drills during the San Francisco 49ers training camp at Levi's Stadium on Tuesday August 8, 2017 in Santa Clara.
Asa Jackson runs drills during the San Francisco 49ers training camp at Levi's Stadium on Tuesday August 8, 2017 in Santa Clara. pkitagaki@sacbee.com Paul Kitagaki Jr.
Asa Jackson runs drills during the San Francisco 49ers training camp at Levi's Stadium on Tuesday August 8, 2017 in Santa Clara. pkitagaki@sacbee.com Paul Kitagaki Jr.