Traynor scored a career-high six goals in Sunday's victory.
The Canadian could carve out a role in the NFL with his ability to transform a special teams unit.
With Brown's pledge, the Nittany Lions now have five scholarship players on their roster ahead of next season.
The women's team moved up four spots in this week's Inside Lacrosse rankings.
Janecke registered three goals for Team USA en route to the squad's world championship.
Henline has pitched to a crisp 3.32 ERA this season.