The New York Knicks are back in the Eastern Conference finals, setting an NBA postseason record with 11 three-pointers in the first quarter in front of a raucous crowd mostly rooting for the road team in Philadelphia. The Knicks’ 144-114 win on Sunday completed their series sweep of the 76ers. Deuce McBride hit seven of New York’s NBA postseason record-tying 25 three-pointers and scored 25 points. Jalen Brunson had 22 points and Josh Hart and Karl-Anthony Towns each scored 17 in the Knicks’ latest lopsided playoff victory. The Knicks advanced to the East finals for the second straight season and will play the winner of the Cleveland-Detroit series, which the Pistons lead 2-1. Last season the Knicks reached the Eastern Conference finals for the first time in 25 years before losing to Indiana. The Knicks then fired coach Tom Thibodeau , and replaced him with Mike Brown, who has guided the team to seven straight playoff wins, starting with the last three games against Atlanta.…