The Mets’ official TV network, SNY, is reporting that Billy Wagnerneeds surgery on his left elbow that will cause him to miss the rest of this season and perhaps all of 2009. Wagner (pictured) is signed only through next season with a team option for 2010, so it appears he has thrown his last pitch as a Met. 2:35 P.M. UPDATE: The team has confirmed that Wagner will have surgery this week and be out for at least one year. 4 P.M. UPDATE: Our story on Wagner’s situation is now online and can be found here.