Cowboys vs. 49ers: San Francisco can join club of champions with 15th straight regular-season win in Week 5 | CBS Sports Headlines Cowboys vs. 49ers: San Francisco can join club of champions with 15th straight regular-season win in Week 5 History shows teams that win 15 straight games don’t come … Continue reading Cowboys vs. 49ers: San Francisco can join club of champions with 15th straight regular-season win in Week 5