The Nittany Lions allowed eight runs in the seventh inning.
Parsons played for the Nittany Lions in 2018 and 2019.
The Nittany Lions allowed seven runs in the eighth inning en route to the loss.
Henderson became the 13th player to join Penn State's Class of 2025.
Meiga has two years of eligibility remaining.
The Midshipmen's six-run fourth inning sunk the Nittany Lions' hopes of a Sunday victory.