Valparaiso, Ind. -- Valparaiso got a walk-off single in game one and scored three runs in the eighth in game two to sweep a doubleheader from the Youngstown State baseball team on Sunday at Emory G. Bauer Field.

In game one's 4-3 win, Kyle Gaedele's game-winning two-run single came after YSU scored three times in the top of the ninth to go up 3-2. YSU tied the score at 2-2 in the top of the eighth before Valpo scored three runs in the bottom half en route to a 5-2 victory.

The Penguins got quality starts from Phil Klein and Robert Switka but couldn't make them stand up. Klein allowed two runs on seven hits while fanning seven in six innings. He left down 2-0, and Kevin McCulloh allowed two runs in the ninth after the Penguins rallied.

Switka left with one out in the eighth and runners on first and second in a tie game. Blake Aquadro came in and hit the first batter he faced to load the bases, and Will Hagel broke the tie with a sacrifice fly. Robbie Robinson followed with a two-run double to right center to make the score 5-2. Switka was charged with four runs, only three of which were earned, on seven hits in 7.1 innings.

YSU leadoff hitter had two hits in both contests, and his two-run single with two outs in the ninth gave the Penguins their 3-2 lead in game one. All three of the Guins' runs scored after there were two outs. Jeremy Banks and Neil Schroth also had two hits in both games.

In game two, Valpo scored a run in both the second and third innings to go up 2-0. Armani Johnson's single plated Phil Lipari in the fifth for YSU's first run, and Schroth doubled in Dan Hurlimann in the eighth to tie the score. Switka allowed Gaedele to reach on a bunt single with one out in the eighth, and he walked Steven Scoby on four pitches before handing the ball off to Aquadro. The Penguins went in order in the ninth.

The Penguins will play at Pittsburgh on Tuesday at 3 p.m.