There are numerous rookies who already have their roles defined heading into the 2021 NFL season. Trevor Lawrence, for example, is going to be starting sooner than later and will be a franchise player. Najee Harris will immediately slide into a starting running back role. However, later draft picks have significantly less clarity on how their role is going to shake out. Below I highlight three rookies that have flashed potential in camp and could bring you big returns in the upcoming season and beyond.