The level of competition in the NFL is off the charts.
Only a small fraction of even the best players in college football will see the field consistently in the league. Tennessee Titans quarterback Ryan Tannehill is an example of a player who understands and acknowledges how difficult it is to remain a starter. He infamously said it’s not his job to mentor rookie quarterback Malik Willis, and he elaborated by saying that they both are fighting for the same role.
New England Patriots quarterback Mac Jones is entering his second year and he’s already seen the team draft a quarterback behind him. The Patriots selected Bailey Zappe out of Western Kentucky in the fourth round and he was extremely accomplished on the collegiate level — breaking numerous NCAA records.