The Knicks are looking out for their fans.  They are donating hundreds of free tickets to underprivileged youth for their home games in the Finals, The Post has learned. Underserved New York families affiliated with their Garden of Dreams Foundation will receive 250 tickets per home game.  That means a guaranteed 500 tickets across Games 3 and 4. If there is a Game 6, that number will rise to 750.  “We are proud to create meaningful, once-in-a-lifetime experiences for underprivileged youth in