The win snapped a three-game skid for the Quakers.
Senior Matt O'Neill finished 2-for-5 with a run scored an RBI for Penn.
Hood opened the 10th with a single to right before advancing to second on a successful sacrifice bunt by Craig Larsen. Courtney then slugged a 1-2 pitch to the right side enabling Hood to score.
The Quakers' bullpen combined to toss seven scoreless innings with senior right-hander Grant Guillory hurling four while surrendering just one hit. He walked two and struck out a pair.
Freshman right-hander Seth Devries collected the win, tossing two scoreless to end the contest. He found himself in some trouble with a walk and a single in the 11th but induced a double-play to end the threat.
Trailing 6-3 entering the sixth, the Quakers scored three runs over the next two frames to even the contest with a single by O'Neil delivering the equalizer.
The Quakers are back in action on Wednesday to face Duke with first pitch set for 4 PM.
In other local action
Western Michigan 11, Villanova 2: Freshman Nick Lorusso went 2-for-3 for the Wildcats. It was his second game in a row with multiple hits and fourth overall for the season. Villanova fell to 1-10 on the season with the loss.
John Jay 6, Valley Forge 3: Details not available.
John Jay 9, Valley Forge 6: Details not available.
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