Joba Chamberlain is so close to returning to the Yankees, just waiting for the organization's final approval has become frustrating. After going through a year involving surgery, rest, rehab, injury and more rehab, he just wants to get back in pinstripes. "I think this is the hardest point, just because I know I am ready," Chamberlain said after throwing before Friday night's 10-3 win over the Red Sox at Yankee Stadium. "I threw a bullpen (session) and did my running and lifting. I am going to shag during batting practice and when the game starts, I gotta just try and sit there and play thumbs and cheer them on." The 26-year-old righthander is likely days away from returning to the Yankee relief corps after having Tommy John surgery last summer and fracturing his ankle during spring training. He will make a rehab appearance Sunday in Trenton and be reevaluated on Monday. Chamberlain said that in his six rehab appearances, he has regained his velocity and consistently been able to throw between 94 and 100 mph. "It continues to get stronger, the consistency is there. It's nice to be able to have that, to be able to trust your fastball," Chamberlain said. "I only walked one guy in (all my) starts so far, so that's a big thing for me.