Sprong, 21, was drafted with the 46th-overall pick in the 2015 draft and has appeared in 42 NHL games for the Penguins since the 2015-16 season. The Amsterdam native scored 32 goals in the AHL last year with the Wilkes-Barre/Scranton Penguins, but has just four assists and a minus-7 rating in 16 contests for Pittsburgh this season.
Pettersson was a second-round selection (38th overall) of the Ducks in 2014, and has spent most of his time since then playing in Sweden. The 22-year-old split the 2017-18 season between the Ducks and the AHL’s San Diego Gulls, recording one goal and three assists in 22 games for Anaheim.
This season Pettersson has played in 27 contests for the Ducks, racking up six assists and 17 penalty minutes.