It’s always difficult for undrafted players to make an NFL roster. Teams and general managers prioritize and are more invested in players they drafted and acquired in free agency.
No matter how talented an undrafted player might be, this year it will be even more difficult for them to make the final roster due to the fact that there hasn’t been a rookie camp, minicamp, and OTAs due to the COVID-19 pandemic.
In addition to that, as of right now we’re not even sure how many players teams will be allowed to bring to camp — whenever it opens.