San Francisco 49ers vs Detroit Lions 12 Sep 2021 Replay Full Game September 13, 2021 by NFLFULLHD Views : 2454 AMERICAN FOOTBALL: NFL 2021/22 Week1 – San Francisco 49ers vs Detroit Lions 12 Sep 2021 Replay Full Game #1 Part1 Part2 #2 FG 1 Link Share Share Share