Penn State hockey had no answer for the stout Wisconsin defense in its 4-1 defeat Thursday night at Pegula Ice Arena
It's been a rough day at Rec Hall.
Hackenberg still plans on playing for Penn State this spring, according to the team.
Jones is the ninth Nittany Lion to sign an NHL deal.
Penn State's three nominees are tied for the most in the conference alongside No. 1 Wisconsin.
The 16 positive tests represent Penn State's most in a single week since late September.