Arcadia completed a three-game sweep of No. 15 Misericordia earlier this week, securing its second-consecutive Middle Atlantic Conference Freedom regular season title.
The Knights finished with a 20-3 record in conference play.
Arcadia will host Stevens on Saturday in a doubleheader as part of a best-of-three series.
The Knights enter the weekend as the No. 3 team in Region IV, per NCAA's most recent regional rankings.
The only other area D-III club ranked by the NCAA in the most recent regional poll is Immaculata which is No. 5 in Region V.
Haverford will face Dickinson on Saturday morning in a Centennial Conference elimination game. The Fords knocked off Swarthmore in a play-in game earlier this week before falling to top-seeded Johns Hopkins on Thursday.
Cairn has locked up a spot in the CSAC postseason tournament. The Highlanders are 10-5 in conference play and will play a three-game set against Valley Forge this weekend.
Rosemont is battling with St. Elizabeth for the fourth and final CSAC spot, but the Ravens face top-seeded Keystone this weekend. The Highlanders swept Rosemont earlier this week.
Neumann has to win one game of its doubleheader against Centenary on Friday to secure a spot in the Atlantic East tournament.
Immaculata and Cabrini have already secured their spots in the Atlantic East tourney.