After the Nittany Lions took a 3-0 lead on their opening possession, the hosts drove right down the field before he picked off a Drew Stanton pass at the Penn State three-yard line to halt a potential scoring drive which could have given MSU the lead.
The Spartans' cut the lead to 17-7 in the third quarter before Zemaitis recorded his second interception, returning it 17 yards to the MSU four-yard line to set up a touchdown and a 24-7 advantage.
His final pick stopped a Spartans' drive at the eight-yard line in the fourth quarter to ensure the victory. This is the first weekly Big Ten accolade for Zemaitis.
Donnie Johnson, was named the Big Ten Special Teams Player of the Week. With Penn State leading 3-0 midway through the second quarter, Johnson blocked a Michigan State punt which was recovered by Matt Hahn for a touchdown and a 10-0 advantage.
The junior safety also ended the first half by picking off quarterback Drew Stanton in the endzone to halt a potential Spartans' scoring drive. This is Johnson's first weekly Big Ten laurel.