YORK, Pa. -- The No. 8 Penn State-Berks Nittany Lions held on to upset the No. 1 Kean Cougars 5-4 in Game 2 of the NCAA Division III Mid-Atlantic Regional at Santander Stadium.

Penn State-Berks (21-17-1) got on the board first in the top of the fourth inning with two runs on four hits. The Nittany Lions had a rally going, but left two runners stranded.

Kean (34-11) took its first lead in the bottom of the fifth inning with three runs on two hits for a 3-2 lead. But PSU-Berks charged back in the top of the sixth inning.

The Nittany Lions' Keeanu Erb hit a bases-clearing two-out double to regain the lead at 5-3.

The Cougars trailed by two until the bottom of the ninth inning. Kean was able to get one run on the board, but PSU-Berks held on to win 5-4.

The Nittany Lions' pitcher Kyle Hartman went the distance recording 132 pitches for the complete-game victory. Hartman struck out four batters and allowed just one earned run.

Keeanu Erb finished going 2-for-3 with a walk, three RBIs and a double. Luke Erb went 2-for-4 with 2 RBIs, a run scored and a double. Tom Grablewski and Zach Reis both went 3-for-5 with one run scored.

Kean's Ryan Reitmeyer went 3-for-4, while Matt Meleo and Salvatore Taormina both went 2-for-4. Taormina had two RBIs.

Kean will now play in at 10 a.m. Thursday morning against No. 5 Mitchell. Mitchell lost to No. 4 Salisbury in Game 1 by a score of 11-1.

Penn State-Berks will now play at 4:30 p.m. Thursday afternoon Salisbury.