The Terps had 20 hits and were powered by an 11-strikeout performance by starting pitcher Ryan Ramsey.
While other programs around the country canceled midweek games, the Terps easily defeated the Dukes.
Bobby Zmarzlak's 10th-inning home run secured the victory for the Terps.
Freshman Jacob Orr finished with five RBIs in Terps' comeback win.
Costes' two-run blast energized the Terps during a rainy matchup with the Patriots.
Some late heroics by Kevin Keister, Luke Shliger and Nick Lorusso finished off the Retrievers and lifted the Terps to their 17th win.
The Terps had their four-game winning streak cut off by the Blue Hens in their fifth game in seven days.
After trailing for the majority of the game, Shaw came up with a big swing in the bottom of the ninth to secure the victory.
A barrage of offense pushed the Terps to their eighth straight win to open up the spring 2022 season.