Cincinnati Bengals quarterback AJ McCarron (5) rolls out to pass against the San Francisco 49ers during the first half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Eric Risberg)

Cincinnati Bengals defensive tackle Geno Atkins (97) tackles San Francisco 49ers running back Shaun Draughn (24) during the first half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Jeff Chiu)

San Francisco 49ers' Quinton Patton (11) returns a kickoff in front of Cincinnati Bengals' Rex Burkhead (33) during the first half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Tony Avelar)

Cincinnati Bengals running back Giovani Bernard (25) is tackled by San Francisco 49ers linebacker NaVorro Bowman (53) during the first half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Tony Avelar)

Cincinnati Bengals cornerback Adam Jones (24) celebrates after intercepting San Francisco 49ers quarterback Blaine Gabbert during the first half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Tony Avelar)

Cincinnati Bengals defensive end Carlos Dunlap (96) runs with a fumble recovery against San Francisco 49ers tackle Erik Pears (71) during the first half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Tony Avelar)

Cincinnati Bengals head coach Marvin Lewis gestures during the first half of an NFL football game against the San Francisco 49ers in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Tony Avelar)

Cincinnati Bengals running back Jeremy Hill (32) runs for a 1-yard touchdown against the San Francisco 49ers during the first half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Tony Avelar)

Cincinnati Bengals quarterback AJ McCarron (5) passes against the San Francisco 49ers during the first half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Eric Risberg)

Cincinnati Bengals outside linebacker Vontaze Burfict (55) reacts after sacking San Francisco 49ers quarterback Blaine Gabbert (2) during the first half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Tony Avelar)

Cincinnati Bengals quarterback AJ McCarron (5) celebrates after throwing a touchdown pass during the first half of an NFL football game against the San Francisco 49ers in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Tony Avelar)

Former San Francisco 49ers players Roger Craig, from left, Joe Montana, and John Taylor gather before a halftime ceremony during an NFL football game between the 49ers and the Cincinnati Bengals in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Tony Avelar)

Cincinnati Bengals wide receiver Marvin Jones (82) catches a pass in front of San Francisco 49ers cornerback Kenneth Acker during the second half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Tony Avelar)

Cincinnati Bengals defensive tackle Geno Atkins, left, sacks San Francisco 49ers quarterback Blaine Gabbert during the first half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Eric Risberg)

Cincinnati Bengals middle linebacker Rey Maualuga (58) tackles San Francisco 49ers running back Kendall Gaskins (30) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Eric Risberg)

San Francisco 49ers head coach Jim Tomsula yells during the second half of an NFL football game against the Cincinnati Bengals in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Eric Risberg)

Cincinnati Bengals running back Giovani Bernard (25) runs against San Francisco 49ers defensive end Quinton Dial (92) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Eric Risberg)

San Francisco 49ers wide receiver Anquan Boldin, right, catches a touchdown pass next to Cincinnati Bengals cornerback Leon Hall (29) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. (AP Photo/Eric Risberg)

Cincinnati Bengals strong safety Shawn Williams (36) intercepts a pass intended for San Francisco 49ers wide receiver Jerome Simpson (14) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Dec. 20, 2015. The Bengals won 24-14. (AP Photo/Eric Risberg)