Hofstra and Oregon State both made cases for inclusion in the Top 25 with victories over Top 25 teams in midweek action.
Sophomore forward Jochen Strobel scored with 19:27 left to give Hofstra (6-1-1) a 1-0 win over No. 14 Yale, which fell for the first time after five wins.
Oregon State's Joe Zaher scored with 32 seconds remaining to give the unranked Beavers (8-1-0) a 2-1 win over No. 16 Portland.
No. 7 Connecticut got a goal from Jamaican Damani Ralph with less than five minutes remaining to beat No. 17 Boston College, 1-0, on the road in Big East action.
Jordan Cila and Donald McIntosh scored first-half goals to give No. 18 Duke a 2-1 win over No. 24 Davidson.
In weekend Top 25 action:
Saturday — No. 13 Maryland at No. 21 North Carolina.
Sunday — No. 1 St. John's vs. No. 6 UCLA at Rutgers, No. 4 Clemson at No. 9 South Carolina, No. 23 UC Santa Barbara at No. 12 Loyola Marymount.