New York Giants quarterback Eli Manning (10) passes against the San Francisco 49ers during the first half of an NFL football game in Santa Clara, Calif., Sunday, Nov. 12, 2017. (AP Photo/Ben Margot)

San Francisco 49ers quarterback C.J. Beathard (3) passes against the New York Giants during the first half of an NFL football game in Santa Clara, Calif., Sunday, Nov. 12, 2017. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers safety Eric Reid (35) and wide receiver Marquise Goodwin (11) kneel during the performance of the national anthem before an NFL football game against the New York Giants in Santa Clara, Calif., Sunday, Nov. 12, 2017. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers safety Eric Reid (35) and wide receiver Marquise Goodwin (11) kneel during the performance of the national anthem before an NFL football game against the New York Giants in Santa Clara, Calif., Sunday, Nov. 12, 2017. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers tight end Garrett Celek (88) runs toward the end zone to score a touchdown during the first half of an NFL football game against the New York Giants in Santa Clara, Calif., Sunday, Nov. 12, 2017. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Matt Breida (22) runs for a touchdown against the New York Giants during the second half of an NFL football game in Santa Clara, Calif., Sunday, Nov. 12, 2017.

San Francisco 49ers defensive back Adrian Colbert (38) and linebacker Reuben Foster celebrate during the second half of an NFL football game against the New York Giants in Santa Clara, Calif., Sunday, Nov. 12, 2017. (AP Photo/Ben Margot)

San Francisco 49ers running back Matt Breida (22) is congratulated by quarterback C.J. Beathard (3) after scoring a touchdown against the New York Giants during the second half of an NFL football game in Santa Clara, Calif., Sunday, Nov. 12, 2017. (AP Photo/Marcio Jose Sanchez)