Dillon Gee will undergo surgery to fix arterial damage in pitching shoulder Friday and could miss the rest of the season, a source told Adam Rubin of ESPNNewYork.com.
Gee was given the option of remaining on blood thinners after a catheter was used to break up the original blood clot in his shoulder, but since the artery is damaged, he decided his best course of action was undergoing surgery now, the source told Rubin.
The surgery will likely keep Gee from throwing for 6-8 weeks, so a mid-September return would seem to be the best-case scenario. Even then, he might only be a reliever, since it would take him time to regain the stamina necessary to start.
Gee has done solid work at the back of the Mets rotation this season, going 6-7 with a 4.10 ERA and an impressive 97/29 K/BB ratio in 109 2/3 innings. The current plan is to have Miguel Batista step into his rotation spot, but the Mets should strongly consider abandoning that idea and going to top prospect Matt Harvey, who is 7-4 with a 3.39 ERA for Triple-A Buffalo.