Buffalo lost a LOT of talent and coach. Not buying it.
This comment covers the Buffalo well for 2021.
Unless the new head coach is legendary like a young Urban Meyer or something along those lines, there is going to be a drop here. A big drop on offense especially. Buffalo lost a TON of talent to graduation and/or premature NFL entry. Then they lost a ton to transfer: C Novisky, DT Eddie Wilson, TE Zac LeFebvre, and OL Jacob Gall are big, big, hits.
Buffalo still has elite MAC talent like RB Kevin Marks. He is the real deal. There is some talent in the LB corps, probably the strongest unit along with some solid DBs. The LB unit may be in the top few units in the MAC.
WR Antonio Nunn was go to but now he is gone. The QBs return without really any success after a few years and less of a running game to lean on. If a QB blossoms, it could work, but I havent seen any evidence that will happen based on prior performance.