The AP reports: Rajon Rondo scored 18 of his 26 points in the quarter to help the Celtics tie a franchise record with their 18th straight win, beating the New York Knicks 124-105 Sunday night. The win improved Boston’s record to 26-2, matching the NBA mark for the best start by a team with two losses. The Celtics can break the record at home against the Philadelphia 76ers on Tuesday night… He was 12-of-14 from the floor for the game… Ray Allen had 18 points, Paul Pierce 17, Garnett 12 and Kendrick Perkins 12 for the Celtics… Quentin Richardson led the Knicks with 29 points and Nate Robinson had 23. Duhon added 20 with 10 assists… Celtics F Glen Davis was injured Sunday in an automobile accident on the Massachusetts Turnpike around 2:30 as he drove to the Garden.