Walter Panas, Harrison and Tappan Zee (Rockland) each advanced to the Class A Final Four.
Jack Daly had 19 points. Mike Milo added 16, and Benny DiMirco scored 14 for Eastchester.
Matt Stein scored 15 points and Coby Lefkowitz added 14 to lead Harrison to a Harrison 60-56 win over Somers. Harrison will meet Eastchester in next Wednesday's semifinal at 8:15 p.m.
Panas topped Beacon 63-51 led by Panas 63, Beacon Timmy McCauley's 25 points. Tyler Mason added 17 points for Panas. which meets Tappan Zee Wednesday at 6:30 p.m. at the County Center in the semifinals.
In Girls Class A quarterfinal action, No, 3 Rye topped Sleepy Hollow 62-37 and No. 4 Peekskill defeated Ardsley 64-57 to advance to next week's semifinal round. Albertus Magnus (No. 2) and Tappan Zee of Rockland County round out th Final Four.
Girls Class A quarterfinal results
No. 2 Albertus Magnus def. No. 7 Somers, 48-41 No. 1 Beacon def. No. 9 Tappan Zee, 60-57, OT No. 3 Rye def. No. 6 Sleepy Hollow, 62-37 No. 4 Peekskill def. No. 5 Ardsley, 64-57
Wednesday’s scoreboard:
Catholic High Schools Athletic Association
Class B quarterfinals
Sacred Heart 54, Cathedral 31
Salesian 48, St. John’s Prep 47
Section 1 tournament
Boys Class A quarterfinals
Tappan Zee 58, Lourdes 48 Harrison 60, Somers 56 Panas 63, Beacon 51 Eastchester 58, Byram Hills 39
Fairchester Athletic Association tournament
Quarterfinals Rye Country Day 73, Hopkins 68 Masters 65, King 48
Thursday's events
Boys basketball
Section 1 tournament Class AA quarterfinals No. 6 Spring Valley at No. 3 White Plains, 4:15 p.m. No. 9 New Rochelle at No. 1 Mount Vernon, 5 p.m. No. 5 Mahopac at No. 4 Fox Lane, 6 p.m. No. 7 Arlington vs. No. 2 Clarkstown South, 7 p.m.
Girls basketball Section 1 tournament Class AA quarterfinals No. 8 New Rochelle at No. 1 Ossining, 4:30 p.m. No. 5 Ursuline at No. 4 Horace Greeley, 5 p.m. No. 6 Arlington vs No. 3 Clarsktown South, 5 p.m. No. 7 Mahopac at No. 2 Lourdes, 6:15 p.m.
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