Rooney, 25, completed his second full professional season in 2017-18. He played in 71 games for the Binghamton Devils where he registered 14 goals and 20 assists for 34 points. The left-shooting forward played one game at the NHL level in 2017-18, called up on January 25 against Nashville. He registered three shots on goal in 11:46 of ice-time. He has appeared in five career NHL games. Rooney initially signed an AHL contract with Albany on July 5, 2016. He signed an NHL contract with New Jersey on February 27, 2017.
Before his professional career, the 6-2, 190lb. forward spent four seasons with Providence College (HE) from 2012 to 2016, where he was a member of the Friars' NCAA Championship team in 2015. Through 144 collegiate games, he scored 17 goals and 19 assists for 36 points and 70 penalty minutes. The Canton, MA native earned the Athletic Department's Mal Brown Award in 2016, which is given annually to the male athlete whose career of intercollegiate competition portrayed sportsmanship, courage and honor.