Easley attended Curtis High School in Staten Island, New York, where he played football and competed in track.
At the 2009 PSAL Borough Championships, he won the shot put event, with a throw of 40 ft, and placed 10th in the 55-meter dash, with a time of 7.44 seconds.
In 2013, Easley's senior season was cut short after tearing his ACL in practice leading up to the Kentucky game.
On September 30, 2013, just a few days after it was reported he would miss the rest of the college football season, Easley announced he would forgo his remaining eligibility and enter the NFL draft.
[10] On September 7, 2014, Easley played in his first NFL regular season game, a 33–20 road loss to the Miami Dolphins.
[14] In 11 games of his rookie season, Easley finished with 9 tackles, 1 sack, 1 pass defended, and 1 interception.
Without Easley, the Patriots won Super Bowl XLIX after they defeated the defending champion Seattle Seahawks 28–24.
After the departure of longtime starter Vince Wilfork, Easley began the 2015 season as one of the Patriots' starting defensive tackles.
[18] He played in all 16 games for the Rams in 2016, recording 35 tackles, 3.5 sacks, one pass deflected and two forced fumbles.