YOUNGSTOWN PHANTOMS  at CHICAGO STEEL 
(Chicago leads series 1-0)
Chicago opened their first Clark Cup Playoffs appearance in nine years with a resounding 4-1 Game 1 victory over the Youngstown Phantoms. The Steel opened the scoring 14:19 into the first period as Baker Shore scored on a beautiful shot to put his team up 1-0. It remained a 1-0 Chicago lead until late in the middle frame, when Michigan State commit Mitch Lewandowski doubled the Steel lead with just over three minutes to play in the second. Reggie Lutz made it a 3-0 game 12:20 into the third before Max Ellis got Youngstown on the board and cut the Steel advantage to 3-1 just four minutes later. That was as close as the Phantoms would get, as Chicago captain Marc Johnstone added an empty-net goal late in the game to seal the victory for the Steel and put them ahead 1-0 in the series. Ales Stezka stopped 25 of the 26 shots he faced to win his first career playoff start.
DES MOINES BUCCANEERS  at SIOUX CITY MUSKETEERS 
(Sioux City leads series 1-0)
The Anderson Cup champion Musketeers opened their postseason with a 4-1 victory over the Des Moines Buccaneers. JC MacLean scored 14:14 into the first period to put Sioux City 1-0, thanks to a spectacular assist from Tarek Baker, who had lost his stick on the play and kicked the puck ahead twice, once to himself and once to MacLean, to help the Musketeers open the scoring. Charlie Kelleher scored two goals in the middle frame to make it a 3-0 game before Colin Rutherford got the Buccaneers on the board and cut the Musketeers lead to 3-1 just 65 seconds into the third period. 12 minutes later, Eeli Tolvanen added a power play goal to make it a 4-1 game, completing the scoring and giving Sioux City a Game 1 victory. Kristian Pospisil and Odeen Tufto dished out two assists each, and USHL Player and Goaltender of the Year Matiss Kivlenieks stopped all but one of the 22 shots he faced for his first career USHL playoff victory.
FARGO FORCE  at WATERLOO BLACK HAWKS  OT
(Waterloo leads series 1-0)
Bailey Conger's goal just under five minutes into overtime gave Waterloo a 1-0 win over the Fargo Force and put the Black Hawks up 1-0 in the series. The teams both scored once in the opening period, with Shane McMahan tallying for Fargo and Nick Swaney finding the back of the net for Waterloo. The Force's Carson Musser scored the only goal of the second period, putting Fargo up 2-1 heading into the final 20 minutes. Mitchell Chaffee doubled the Force advantage to 3-0 five minutes into the third, but the Black Hawks responded with goals from Mikey Anderson and Kevin Charyszyn to tie the game at three and send the teams to overtime, where Conger picked up the game winner to put his team up in the series. Grant Gabriele and Emil Ohrvall each dished out a pair of assists, and Robbie Beydoun stopped 19 of the 22 shots he faced in the win.
MUSKEGON LUMBERJACKS  at DUBUQUE FIGHTING SAINTS  OT
(Dubuque leads series 1-0)
Dubuque opened their seventh straight playoff appearance with a bang, knocking off Muskegon 4-3 in overtime to take a 1-0 series lead. Dallas Gerads found the back of the net for the Fighting Saints in the first period, but Muskegon's Collin Adams tallied two goals in the opening frame to put his team up 2-1 after 20 minutes. Midway through the second, Austin Rueschhoff's power play goal tied the game at two, and it remained a 2-2 tie heading into the third period. Quinn Preston broke the tie five minutes into the third to put the Fighting Saints ahead 3-2, but Lumberjacks captain Bo Hanson tied the game with just under two minutes to play in regulation, sending the teams to overtime. Late in the extra session, Jacob Hamacher fed a beautiful pass to Colin Theisen, who put home the game-winning goal to give Dubuque a 1-0 lead in the series. Jaxon Castor stopped 25 of the 28 shots he faced for his first career playoff win.
Headquartered in Chicago, Illinois, the USHL celebrates its 15th season as the nation's only Tier I junior hockey league in 2016-17. 30 or more players from the USHL have been selected in four consecutive NHL Drafts, and more than 400 players on team rosters last season committed to NCAA Division I schools, further establishing the USHL as the world’s foremost producer of junior hockey talent.