Bills coach Sean McDermott has never seen anything like 2019 Patriots defense: 'It's unbelievable'
That's where his passion is': Sean McDermott invigorated by return to defensive coordinator roots
Buffalo Bills agree to hire Sean McDermott as head coach - ESPN
Bills hire Sean McDermott as head coach - The Phinsider
Bills extend contracts of coach Sean McDermott, general manager Brandon Beane through 2027
Buffalo Bills agree to hire Sean McDermott as head coach - ESPN
Bills sign coach Sean McDermott to extension
Bills' Sean McDermott's coaching blunder vs. Chiefs led to heartbreaking loss, NFL insider suggests
The 'handshake agreement' that helped bring Sean McDermott to the Bills
Bills head coach Sean McDermott shares outlook on AFC East for 2023 season
ICYMI: Buffalo Bills extend Sean McDermott, Brandon Beane through 2027 - Buffalo Rumblings