The ninth-ranked UMass hockey team squandered a two-goal lead Saturday and lost 4-3 against No. 7 Denver in Denver.

The Pioneers swept the two-game Frozen Four rematch series between the top-10 teams.

“We played about 50 good minutes tonight and against a top team, 50 is not enough,” UMass coach Greg Carvel said. “We learned lessons this weekend that will help us going forward. I think this was a weekend to show us exactly what we are and where we’re at and where we need to better, so we’ll take that out of this weekend with two close losses.”

Bobby Trivigno put the Minutemen (13-6-1) had 4 minutes, 15 seconds in, and Amherst’s John Leonard made it 2-0 a little over six minutes later. Zac Jones assisted both goals along with Colin Felix and Marc Del Gaizo.

The Pioneers (13-4-3) then scored four unanswered goals. Liam Finlay, Emilio Pettersen (assist), Bobby Brink and Cole Guttman (assist) found the net. Brett Stapley added two assists, while Ryan Barrow, Ian Mitchell and Kohen Olischefski had one each.

Jack Suter Made it a one-goal game for UMass with four seconds left in the third period from Ty Farmer.

Matt Murray saved 33 shots for the Minutemen.

The Minutemen return to Hockey East play Friday when they face Boston College, a top-five team, on the road at 7 p.m.

Nazareth 3, Amherst 2 — Greg Krisberg and Christian Powers put the Mammoths ahead 2-0 in the first period Saturday, but Nazareth responded with three goals in a row.

Pieter von Steinbergs, P.J. Conlon and Connor Merrill each had an assist for Amherst (2-7-1).

Dan Dachille stopped 30 shots.

Women’s basketball

UMass 81, Duquesne 77 — Hailey Leidel led five Minutewomen in double figures with 18 points, and UMass opened conference play with a win Sunday. She hit four 3s and grabbed four rebounds with three assists.

Paige McCormick (five rebounds) and Sam Breen (nine rebounds, three steals) each scored 16 for the Minutewomen (11-3, 1-0 A-10).

Vashnie Perry added 15 points and five assists, and Bre Hampton-Bey scored 1

Wentworth 64, Mount Holyoke 45 — Annika Brooks scored 23 points with 15 rebounds, but the Lyons fell at home Saturday. Ellie Hayward added 11 points, six rebounds and four assists.

South Hadley’s Mikayla McEwen scored two points and grabbed 14 rebounds with two steals and a block for Mount Holyoke (1-11).

Amherst 87, Widener 48 — Hannah Fox had 25 points, 12 rebounds and five assists in a road victory Saturday. Kailyn Shepard contributed 19 points and 12 rebounds. Granby’s Kate Sullivan chipped in six points, five assists, four rebounds and two steals.

Amherst 80, Stevens 39 — Madeline Eck led the Mammoths (10-1) with 21 points Sunday and added six rebounds and four assists. Fox had 11 points and nine rebounds. Shipley scored 14. Sullivan hit a 3 off the bench and dished four assists.

Men’s basketball

Amherst 116, Lesley 44 — Tommy Mobley’s 18 points off the bench led the Mammoths in a rout Saturday. Michael Schrettner scored 15, and Garrett Day had 14 points and six assists. also off the bench. Tim McCarthy and Grant Robinson each added 11 points, while Fru Che scored 10. Josh Chery and Dan Schlakman (nine points) each pulled down nine rebounds.

Women’s hockey

Amherst 4, William Smith 1; Amherst 6, William Smith 1 — Emma Flynn had a goal and five assists across a weekend sweep. Angelina Wiater scored twice on Sunday, and Kaitlin Hoang distribtued three assists. Leslie Schwartz had three assists Saturday for the Mammoths (5-3-2).

Caitlin Walked stopped 18 shots, and Anna Kruesel made 18 saves.