Kevin Garnett took two months to find a rhythm with the Nets, and that was after he called this season the most frustrating of his career. Now the 37-year-old center has been ruled out for the rest of the week because of the back spasms that Jason Kidd finally revealed Monday is more than just a day-to-day ailment. "I was tired of you guys asking me. So I held him back for another week," Kidd joked. "Yeah, I was tired of answering questions, but I just thought we could hold him out until Saturday and re-evaluate him before (a three-game road trip at Dallas, New Orleans and Charlotte)." By the time Garnett is reevaluated, he'll have missed 11 straight games. The Nets had gone 8-7 without him in the lineup before Monday's game against the Suns, including 6-2 since Garnett went down with the back spasms. Kidd had been saying that Garnett was day-to-day and progressing for over two weeks, but Monday's announcement arrived without a setback, the coach said. Rookie Mason Plumlee started his ninth straight game Monday. He was averaging six points and five rebounds in roughly 20 minutes.