Richardson joined the Terps as a right back but has since shifted into Samuels' vacant role.
The Terps battled through a sluggish first half.
The Terps were No. 24 last week.
Di Rosa scored the game-winning goal in the Terps' 1-0 win over Villanova on Monday.
Defender Ben Di Rosa notched the game-winner.
The Terps' pressure against the Zips on Friday helped them net their only goal.
Matzelevich's goal proved the difference against the Zips.
“You want to win for your crowd."
Padilla battled a foot injury in his freshman season.
The Terps have lost to Virginia and UCLA.