Blueger, 23, wrapped up his second full professional season by ranking second on Wilkes-Barre/Scranton with 21 goals, and third with 45 points, in 70 games played. His 21 tallies tripled his output from his rookie campaign.
A 6-foot, 185-pound native of Riga, Latvia, Blueger led all AHL players with four overtime goals in 2017-18. His output earned him a one-week NHL stint with Pittsburgh, although he didn't appear in any games. In two-plus seasons with WBS, Blueger has 76 points (28G-48A) and a plus-38 in 134 games.
Di Pauli, 24, contributed 12 goals, eight assists and 20 points with three game-winning goals in his second season with WBS. In two seasons with WBS, he has totaled 14 goals, eight assists and 22 points in 79 games.
The Penguins signed the speedy 5-foot-11, 188-pound Di Pauli as a free agent on August 19, 2016. He was originally chosen by the Washington Capitals in the fourth round (100th overall) in the 2012 NHL Draft, but he elected to go to free agency following a four-year collegiate career at Notre Dame.
Prow, 25, has skated for WBS for the past two-plus campaigns, contributing 34 points (5G-29A) and a plus-4 in 104 appearances. The 5-foot-11, 180-pound native of Sauk Rapids, Minnesota had 17 points (4G-13A) in 40 games in 2017-18. His goal and point totals established career highs.