Lynn Tech’s Marcos Castellano remained undefeated in the 100 fly and diving events as the Tigers improved to 3-3 with a 94-84 victory in Greater Lawrence.Mike Rockwood (200 and 500 free), Mike Leone (200 IM), Alex Quinton (50 free), Bopah Choung (100 back) and the 400 relay team of Castellano, John Hines, Andrew Guy and Yulia Shebalina all placed first for Tech.A quartet Tiger of swimmers also finished first in the 200 free.Peabody 97, Swampscott 80At the Jewish Community Center in Marblehead, the Tanners won nine of the 12 events and are one victory away from their first winning season in four years.Individual winners for Peabody (4-3) were Julie Shea in the 200 free and 100 breaststroke, Brittani Atkinson in the 200 IM and 500 free, Mike Diaz in the 50 and 100 free, and Steven Maruzzi in diving. The 200 medley team of Megan Brady, Shea, Atkinson and Scott Aulson, and the 400 free team of Maruzzi, Aulson, Diaz and Steve Demeule were also victorious.For Swampscott, Mischa Kuyuzova (100 fly), Mike Gevorgyan (100 back) and the 200 free team of Stan Berenstein, Stepan Gevorgyan, P.J. Nestor and Matt Barbuzzi were all winners.The Tanners will swim against Revere next week.GIRLS HOCKEYSt. Mary’s 6, Mt. St. Joseph’s 2At South Boston, the Spartans continue to flawlessly plow through the competition and are now 12-0.Courtney Winters scored a goal and assisted on tallies by Bridget Donovan and Marissa Maccario to help propel St. Mary’s to a 4-0 lead at the end one before scoring an unassisted goal at the 4:01 mark of the second period. Mount St. Joseph’s scored the next two, but that was the only comeback it could muster.”The effort was there from the get go,” said Spartan coach Frank Pagliuca. “Courtney is playing well and really piling up the points.”Kelsey Magrane (20 minutes) and Liz Giacchino (25) split time in the crease for St. Mary’s where both made four saves apiece.