But Portis has had his moments the last month, lifting his 3-point percentage to 34.9 and scoring average to 9.4. He’s one of their legit 3-point threats. And his ruggedness has contributed to making the Knicks one of the best rebounding teams in the NBA. He’s averaging 5.2 rebounds in 21 minutes “I don’t like giving up on things,” Portis said. “I’m from the South. When you start something, you finish it. That’s my slogan my whole life. Through ups and downs, you ride through it. You can’t give up on something you signed up for. I’m up for the test.”