San Francisco 49ers' NaVorro Bowman injures his leg during the second half of the NFL football NFC Championship game against the Seattle Seahawks, Sunday, Jan. 19, 2014, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers' NaVorro Bowman injures his leg during the second half of the NFL football NFC Championship game against the Seattle Seahawks, Sunday, Jan. 19, 2014, in Seattle. (AP Photo/Elaine Thompson)