Amar’e vows return ‘to help lead the Knicks to fight for a championship’

SAN FRANCISCO — Amar’e Stoudemire sent a message to his fans last night to not count him out. Ever. On the verge of undergoing right-knee debridement surgery as soon as today, Stoudemire posted on his Twitter account: “To my true fans who understand my heart…This is the life that…