Some of that is due to the brilliance of Brady , some is due to Bill Belichick 's scheming mastery , some is due to players like Rob Gronkowski .
What is annually one of the NFL 's better offensive lines .
Some of that is due to the brilliance of Brady , some is due to Bill Belichick 's scheming mastery , some is due to players like Rob Gronkowski and what is annually one of the NFL 's better offensive lines .