Gail Decker scored with less than a minute left to lift eighth-ranked Mount de Sales to a 10-9 victory over No. 7 Notre Dame Prep.
The goal was the fifth in the game for Decker, a midfielder. Goalkeeper Rachel Sybor also contributed 15 saves in the lacrosse victory.
The Sailors, who improved to 15-1, appeared to be in control at halftime, when they led, 7-2.
But the Blazers (7-4), who were sparked by Lauren Keller's three goals, made a spirited comeback to tie it at 9-all, setting up Decker's heroics.
No. 2 Fallston 10, C. Milton Wright 0: Phil Akens struck out 11, and Chris Barello, Justin Collins and George Solomon all hit home runs as Fallston ripped visiting Harford County rival C. Milton Wright.
Akens, a 6-foot-5, 200-pound right-hander, improved to 6-0, and was supported by a fourth-inning grand slam by Barello, a senior right fielder.
The Cougars (15-1) rebounded from their first loss of the season, suffered last week against Bel Air.
No. 7 Perry Hall 8, Franklin 5: Chris Pike went the distance, supported by a six-run second inning from the Gators (12-3).
Curtis Crass had a home run, to go with doubles by Jason Henry and John Wagner of Perry Hall, which led by as much as 8-2.
The visiting Indians (9-4), who had eight hits, made the score more respectable with a three-run seventh inning.
Franklin's Greg Wingate took the loss against last year's Class 4A state runners-up.
Patterson 10, Mervo 2: Ryan Boarman was 2-for-2 with a triple and three RBIs and David Hott was 3-for-5 with a double and three RBIs as the Clippers (11-1) blew out the Mustangs to avenge their only loss of the season.
Patterson pitcher Chris Merrill struck out five, scattered four hits and yielded one earned run for the Clippers, who took over first place in the Baltimore City League with the victory.
The visiting Clippers amassed 12 hits off three different pitchers.
No. 7 C.M. Wright 3, Fallston 0: Laura Siler has pitched in all but one game for the Mustangs, and against the visiting Cougars in a Harford County League game, the junior pitcher showed why.
Siler struck out 13 batters and also drove in the winning run of her two-hit shutout victory.
Siler improved to 12-0, and the Mustangs to 13-0.
The game was still scoreless in the top of the sixth inning, when Liz McSpadden and Julie Wiess pulled off a double steal, with Wiess scoring for a 1-0 lead.
Lutheran 15, Friends 0: Lutheran sophomore right-hander Kelly Null struck out 14 of 15 batters in a no-hit shutout against Friends.
Null, who improved to 10-1, also had an excellent day at the plate, where she went 3-for-4.
Null's teammate Kristen Grose also had a big day with the bat, with a double and three RBIs as the Saints raised their record to 13-2.