Arizona Cardinals running back David Johnson (31) runs from San Francisco 49ers linebacker Nick Bellore, bottom, and defensive end Taylor Hart (96) during the second half of an NFL football game in Santa Clara, Calif., Thursday, Oct. 6, 2016.
Arizona Cardinals running back David Johnson (31) runs from San Francisco 49ers linebacker Nick Bellore, bottom, and defensive end Taylor Hart (96) during the second half of an NFL football game in Santa Clara, Calif., Thursday, Oct. 6, 2016. Ben Margot AP
Arizona Cardinals running back David Johnson (31) runs from San Francisco 49ers linebacker Nick Bellore, bottom, and defensive end Taylor Hart (96) during the second half of an NFL football game in Santa Clara, Calif., Thursday, Oct. 6, 2016. Ben Margot AP