He is currently playing with the Syracuse Crunch of the American Hockey League (AHL). DeAngelo was selected by the Tampa Bay Lightning in the first round (19th overall) of the 2014 National Hockey League Entry Draft. Juniors
During the 2013-2014 season, DeAngelo was suspended eight games by his Ontario Hockey League team, the Sarnia Sting, and league for making "a most inappropriate statement to a teammate".
Despite this trangression, DeAngelo was considered to be a top prospect heading into the 2014 National Hockey League Entry Draft.
On December 2, 2014, the Tampa Bay Lightning announced the signing of DeAngelo to a three-year, entry level contract. DeAngelo, has skated in 22 games this season with the Sarnia Sting of the Ontario Hockey League, recording seven goals and 27 points to go along with 52 penalty minutes.
He currently ranks first in points and second in assists (20) among all OHL defensemen. DeAngelo led all OHL defensemen in points (71) and assists (56) last season.
He has skated in 203 OHL games, all with the Sarnia Sting over four seasons, recording 37 goals and 179 points to go along with 248 penalty minutes.
Additionally, he has appeared in 10 career OHL playoff games, putting up two goals and two assists. On January 8, 2015 the Sarnia Sting traded DeAngelo to the Sault Ste. Marie Greyhounds. On May 6, 2015, the Ontario Hockey League announced that DeAngelo was the recipient of the Max Kaminsky Trophy as the OHL"s most outstanding defensemen.
DeAngelo led all defensemen and finished 13th overall in OHL scoring with 89 points in 55 games played recording 25 goals and 64 assists with 25 multi-point games and a plus-minus rating of plus-34.
DeAngelo also captured the CHL Defenceman of the Year in the same season, as the top defensemen of the entire Canadian Hockey League. DeAngelo competed with Team United States of America at the 2012 Ivan Hlinka Memorial Tournament.
On December 2, 2014, DeAngelo was named to Team United States of America"s preliminary roster for the World Junior Championship tournament, which is being held December 26 through January 5 in Toronto and Montreal.