The 49ers arguably have the NFL's strongest roster top-to-bottom and enter training camp as a prohibitive favorite in the NFC.
But with every NFL team, a few unheralded players and undrafted rookies end up surprising everyone and not only make the roster, but become an integral part of the gameplan on a weekly basis.
For the 49ers, many of the spots on the depth chart are set in stone. But for players who missed significant time in 2019 due to injury or were not a regular part of the rotation at their position, opportunities can present themselves during training camp.
Raheem Mostert absolutely came out of nowhere in 2019, going from a special teams player to the starting running back in Super Bowl LIV. So, with training camps set to open over the next two weeks, who will it be this year?