Mac Jones wished Bill Belichick a happy 70th birthday

"#LetsRoll #big70."

Bill Belichick has helped Mac Jones adjust to the NFL. Mitchell Leff/Getty Images

Saturday is Bill Belichick’s 70th birthday.

Many took to social media to celebrate the milestone, including Patriots quarterback Mac Jones.

“Happy birthday Coach!” he wrote. “#LetsRoll #big70.”

The Patriots also commemorated the occasion.


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