San Francisco 49ers quarterback Colin Kaepernick (7) passes in front of Baltimore Ravens outside linebacker Courtney Upshaw during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Ben Margot)

Baltimore Ravens quarterback Joe Flacco (5) scrambles from San Francisco 49ers nose tackle Ian Williams (93) during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Ben Margot)

Baltimore Ravens running back Justin Forsett (29) runs in front of San Francisco 49ers linebackers Ahmad Brooks (55) and NaVorro Bowman during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Ben Margot)

Baltimore Ravens fullback Kyle Juszczyk (44) is tackled by San Francisco 49ers nose tackle Ian Williams (93) and linebacker Michael Wilhoite during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers' Jarryd Hayne (38) fumbles a punt-return while tackled by Baltimore Ravens' Anthony Levine (41) and Brynden Trawick (28) during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. The 49ers recovered the fumble. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Anquan Boldin (81) stiff-arms Baltimore Ravens defensive back Kyle Arrington during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Marcio Jose Sanchez)

Baltimore Ravens tight end Crockett Gillmore (80) is tackled by San Francisco 49ers strong safety Antoine Bethea, bottom right, as linebacker Michael Wilhoite (57) watches during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Anquan Boldin (81) runs in front of Baltimore Ravens defensive back Kyle Arrington during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Marcio Jose Sanchez)

Baltimore Ravens tight end Crockett Gillmore (80) is tackled by San Francisco 49ers strong safety Jimmie Ward during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Carlos Hyde (28) runs against the Baltimore Ravens during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Marcio Jose Sanchez)

Baltimore Ravens wide receiver Steve Smith (89) drops a pass in the end zone in front of San Francisco 49ers cornerback Tramaine Brock (26) during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers head coach Jim Tomsula walks on the sideline during the first half of an NFL football game against the Baltimore Ravens in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Ben Margot)

Baltimore Ravens wide receiver Steve Smith (89) is tackled by San Francisco 49ers strong safety Jaquiski Tartt (29) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Anquan Boldin (81) runs between Baltimore Ravens free safety Kendrick Lewis (23) and inside linebacker Daryl Smith (51) during an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Ben Margot)

Baltimore Ravens wide receiver Steve Smith, right, catches a touchdown pass in front of San Francisco 49ers strong safety Antoine Bethea (41) and cornerback Kenneth Acker, hidden, during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Ben Margot)

San Francisco 49ers wide receiver Quinton Patton (11) celebrates with fans after scoring on a touchdown reception against the Baltimore Ravens during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Ben Margot)

Baltimore Ravens wide receiver Steve Smith, right, celebrates after catching a touchdown pass from quarterback Joe Flacco, center, during the second half of an NFL football game against the San Francisco 49ers in Santa Clara, Calif., Sunday, Oct. 18, 2015. Also pictured is wide receiver Marlon Brown (14). (AP Photo/Ben Margot)

Baltimore Ravens head coach John Harbaugh walks off the field during the second half of an NFL football game against the San Francisco 49ers in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers wide receiver Quinton Patton (11) celebrates with wide receiver Torrey Smith (82) and tight end Vernon Davis after scoring on a 21-yard touchdown reception against the Baltimore Ravens during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. (AP Photo/Ben Margot)

San Francisco 49ers quarterback Colin Kaepernick, right, greets Baltimore Ravens wide receiver Chris Givens (13) after an NFL football game in Santa Clara, Calif., Sunday, Oct. 18, 2015. The 49ers won 25-20. (AP Photo/Marcio Jose Sanchez)