Kamara's fumbles lead to Saints 1st shutout loss in 21 years

New Orleans Saints running back Alvin Kamara, middle, fumbles the ball between San Francisco 49ers cornerback Deommodore Lenoir, left, and linebacker Fred Warner during the first half of an NFL football game in Santa Clara, Calif., Sunday, Nov. 27, 2022. The 49ers recovered the ball. (AP Photo/Godofredo A. Vásquez)

New Orleans Saints head coach Dennis Allen speaks at a news conference after the team's NFL football game against the San Francisco 49ers in Santa Clara, Calif., Sunday, Nov. 27, 2022. (AP Photo/Jed Jacobsohn)

San Francisco 49ers defensive end Drake Jackson (95) reacts after defensive end Nick Bosa, bottom right, sacked New Orleans Saints quarterback Andy Dalton, bottom middle, during the second half of an NFL football game in Santa Clara, Calif., Sunday, Nov. 27, 2022. (AP Photo/Godofredo A. Vásquez)

San Francisco 49ers cornerback Jimmie Ward (1) reaches for a fumble by New Orleans Saints running back Alvin Kamara (41) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Nov. 27, 2022. 49ers linebacker Dre Greenlaw (57) recovered the ball. (AP Photo/Godofredo A. Vásquez)