Heroes and zeros from the Knicks 126-97 Game 5 win over the Hawks on Tuesday night at Madison Square Garden: Hero It is becoming the Karl-Anthony Towns series. The Hawks don’t have an answer for the Knicks big man, and New York is taking advantage of that mismatch. A smiling Karl-Anthony Towns celebrates with Mikal Bridges during the Knicks’ Game 5 blowout win over the Hawks. Jason Szenes for New York Post Three days after he notched the first triple-double of his playoff career, Towns was again a dominant force. This time, he torched Atlanta for 16 points, 14 rebounds, six assists, two blocks and two steals. CHECK OUT THE LATEST NBA STANDINGS AND KNICKS STATS Zero The key to the Hawks’ two victories, CJ McCollum was missing in action Tuesday. The veteran guard was held to six points on 3-for-10 shooting, as Atlanta’s offensive struggles continued. In the past two games, McCollum is 11-for-25 shooting from the field.…