Career
He was drafted in the second round of the 2012 National Hockey League Entry Draft, 37th overall, by the Nashville Predators. Åberg represented team Stockholm at the Rikspucken, a national tournament in Sweden. He made his Elitserien debut during the 2010-2011 season, as an extra forward in the second game of the season against Modo Hockey, but did not get any time on the ice.
Åberg extended his contract with Djurgården to the 2013-2014 season in May 2011.
Åberg played a total of five games, scoring two points in the 2011 edition of the pre-season tournament European Trophy. Åberg received his first time on the ice in an Elitserien game and also scored his first goal in Elitserien in the league premier against HV71 on September 15, 2011.
He scored the game-winning goal in the shootouts against Färjestad BK on September 29, 2011. In the 2013-2014 season, Åberg transferred to play for fellow SHL club, Färjestad BK. After signing an entry-level contract with the Predators, he began his first North American season in 2014-2015 season playing for the Milwaukee Admirals of the AHL.