49ers rookie Mustapha enjoyed first taste of NFL success vs. Titans

NASHVILLE, Tenn., — Malik Mustapha's welcome-to-the-NFL moments were felt throughout the 49ers' 17-13 loss to the Tennessee Titans. During Tennessee's third drive of the game, quarterback Mason Rudolph had his offense poised to score, driving 78 yards down the field. But on the 17th play of the drive, on fourth down, Mustapha let his presence be known. Rudolph handed the ball off to Hassan Haskins in the backfield, needing only one yard for a first down and two for a touchdown. Mustapha assessed the play and flew out of the end zone like a rocket, driving the ball carrier a few yards back. The rookie celebrated, running nearly to midfield after the play was over. "When those out-of-body experiences happen, those big plays like that in a game — I was fired up," Mustapha told NBC Sports Bay Area after the game. "I just kind of let my body take control in that moment and expressed whatever I was feeling - the tenacity and fire I like to pay with. "I just let it loose on that play and post-play. It was definitely an exciting moment and a momentum shift." Initially, the officials awarded the Titans a first down, but 49ers coach Kyle Shanahan was confident that his rookie had made...