By Tzvi Machlin James Harden made his triumphant return to the basketball court as a new member of the Philadelphia 76ers in wins over the Minnesota Timberwolves and New York Knicks. And he has a message for the rest of the NBA. Speaking to the media after the 125-109 win over the Knicks, Harden said that his body feels as good as it has in a long time. He admitted that he still has some conditioning to do, but he’s excited by his own play and how he’s getting to the basket. Harden had a triple-double against the Knicks today, scoring 29 points while leading the team with 10 rebounds and a sea…