Instead, Thatcher will return to San Diego with the team to prepare for arthroscopic surgery on his right knee that is scheduled for Oct. 10. Dr. Heinz Hoenecke will perform the procedure at Scripps.
The procedure is called patellar tendon debridement surgery and it will leave Thatcher in a leg brace for one month. He'll be able to fly back home after a week or so.
Thatcher has had tendinitis issues with the knee for much of the second half but has continued to pitch, knowing that when the season ended, he'd need surgery.
"From what I understand, they are going to remove the damaged parts of the tendon and also staple the healthy parts together," Thatcher said.
Thatcher hopes to be ready for the start of Spring Training but admits that "it's going to be close. We'll see how it goes."
Thatcher is 1-4 with a 3.41 ERA in 55 games as one of the two left-handers in the bullpen.