San Francisco 49ers quarterback Blaine Gabbert (2) passes as offensive tackle Trent Brown (77) blocks St. Louis Rams defensive end William Hayes (95) during the first half of an NFL football game in Santa Clara, Calif., Sunday, Jan. 3, 2016.
San Francisco 49ers quarterback Blaine Gabbert (2) passes as offensive tackle Trent Brown (77) blocks St. Louis Rams defensive end William Hayes (95) during the first half of an NFL football game in Santa Clara, Calif., Sunday, Jan. 3, 2016. Tony Avelar AP
San Francisco 49ers quarterback Blaine Gabbert (2) passes as offensive tackle Trent Brown (77) blocks St. Louis Rams defensive end William Hayes (95) during the first half of an NFL football game in Santa Clara, Calif., Sunday, Jan. 3, 2016. Tony Avelar AP