The Nittany Lions allowed eight runs in the seventh inning.
Lavelle spent one year with the Lady Lions.
TJ Malone and Grant Haus led the way as second-team all-Americans.
The Nittany Lions will face Texas State at 4 p.m. on Friday.
Penn State stormed back from a 9-2 deficit to deliver a win on Senior Day.
A 10-3 Georgetown run led to the elimination of the Nittany Lions.