Arizona Cardinals running back Michael Carter made his team debut in Week 12 against the L.A. Rams less than two weeks after joining his new team. He appeared to be the No. 2 RB in the backfield behind incumbent James Conner and finished with just two fewer carries. In Week 15, Carter and the rest of the Arizona offense will face off against the San Francisco 49ers. The 49ers currently boast the league's best rush defense and also rank as the best defensive unit overall. While Carter could be ...