Knee woes: Steph, Kyrie not expected back until playoffs

The NBA playoffs start in three weeks. Whether Boston’s Kyrie Irving and Golden State’s Stephen Curry will be ready when the postseason starts seems doubtful, at best.The Celtics said that Irving will need at least three and possibly as many as six weeks to recover from a procedure performed to relieve irritation on his left knee Saturday, that news coming almost simultaneously with the word that Curry has a Grade 2 sprain of the medial collateral ligament in his left knee.The Warrio