Prust threw some punches AND was trying to gain position on a much bigger opponent. I rated it a draw but Prust fought at a higher level than Penner. I don't see how people are saying Penner won or landed any shots... You do see that PRUST is wearing red right? I counted the punches thrown (not landed) at 7-1 for Prust. You know what? After re-watching it... I give Prust the win.
This one takes place the same time as Roy and Moreau, and Penner is clearly more active than the smaller Prust. Penner unleashes 4 or 5 solid rights, right off the bat on Prust as he holds on. The rest of the fight is just grappling. Penner was the only one to land anything and gets the clear win.