Taylor Swift 's no poser ... so says former New York superstar Amar'e Stoudemire , who tells TMZ Sports the singer's loyalty to the Orange and Blue goes all the way back to his time on the Knicks. The topic took over social media during Game 4 of the NBA Finals at Madison Square Garden on Wednesday ... when Swift, Mariska Hargitay and the HAIM sisters sat courtside for the home team's incredible comeback win. Some haters -- even Knicks radio talent Monica McNutt -- called BS on Swift earning a