The NFL season continues in Week 15 when the San Francisco 49ers host the Tennessee Titans on Sunday. Start time, how to watch, stream and NFL TV schedule.

The math is simple but powerful. If the Seahawks beat the Rams on Thursday night, the 49ers would only need to win their remaining games to claim the division and secure home-field advantage throughout the NFC playoffs. That single result would pry the door open for San Francisco to leapfrog both rivals at the perfect time.

The San Francisco 49ers won't play their Week 16 game until Monday night, but they've already benefitted from a massive game on

San Francisco 49ers wide receiver Ricky Pearsall has missed the team's first practice of the week due to knee and ankle injuries.

The San Francisco 49ers defense struggled some against the Tennessee Titans, but their offense had a huge day to mark the team’s fourth win in a row.

A lot of the 49ers' biggest contributors weren't on the team last year. Heck, some of them weren't even on the team in Week 1.

The 49ers (10-4) have a better shot at the NFC’s No. 1 seed and a potential Super Bowl home game thanks to the Seattle Seahawks (12-3) overtaking the Los Angeles Rams (11-4) in overtime.

This article was originally published on www.si.com/nfl/colts/onsi as 5 Keys for Philip Rivers, Colts to Beat 49ers Under the Bright Lights. The Indianapolis Colts are entering their Monday Night Primetime matchup with the San Francisco 49ers riding a brutal four-game losing streak after falling to the Seattle Seahawks in Week 15.