49人队和泰坦队的后备队面临着一个充满挑战的季前赛,泰坦队以17比13获胜. 49ers and Titans backups faced a challenging preseason opener, with Titans winning 17-13.

49人队和泰坦队的后备队在季前赛的首场比赛中面临挑战,泰坦队以17-13获胜. 49ers' and Titans' backups faced challenges in their preseason opener, with the Titans taking a 17-13 win. 两支球队的预备队都在努力发光，这引发了对即将到来的赛季的担忧。 Both teams' reserves struggled to shine, raising concerns for the upcoming season.