At 7:10 of the opening frame, Pu capitalized on a turnover to give the Knights the 1-0 lead.
Elsewhere in the OHL, Austin Osmanski received a pair of penalties including a roughing/10-minute misconduct combo in the middle frame as Mississauga fell to Windsor 4-1.
In USHL action, Philip Nyberg scored his first goal of the season as Madison pitched a 4-0 shutout of Omaha. Nyberg circled high to the point for a five-on-three power play marker with 5:30 remaining in regulation to give the Capitols a 3-0 lead.
Brett Murray picked up his first point of the year, an assist, as Youngstown downed Team USA 6-1. The Penn State commit will look for his first goal of the campaign when the two teams play it back on Saturday.
In the QMJHL, Vasily Glotov collected one assist as Cape Breton was edged by Saint John 3-2. Glotov now has points in his first two regular season games on North American ice.
In the WHL, Brandon Hagel was unable to get on the scoresheet as Red Deer earned a 4-3 overtime victory at Moose Jaw.
Devante Stephens finished with a minus-one rating in Kelowna's 4-1 loss to Prince George.
Vojtech Budik did not factor as Prince Albert came up short in a 5-2 loss to Swift Current.
After earning his team's first five starts, Jonas Johansson received a day off as Almtuna IS dropped a 2-1 overtime decision to IK Oskarshamn.
