NEW YORK (WFAN/AP) — Good news, Mets fans: Johan Santana is again on the mend.

“He says he’s feeling a lot better,” Mets manager Terry Collins said on Tuesday. “He says the discomfort is gone.”

Santana was diagnosed with fatigue in his surgically repaired left shoulder last Thursday. The two-time Cy Young winner had surgery on his shoulder capsule last September.

Santana has been rehabbing in Port St. Lucie. He pitched three scoreless innings two weeks ago for Class A St. Lucie in his first rehabilitation outing.

A day later, Santana followed what would be his usual routine and played long toss and then threw a bullpen session the next day. Doctors told him that was too much, that he should have taken the day off after the start to see how his arm reacted.

“I was relieved it was just fatigue,” said Collins. “He wants to pitch.”

“We can forget this is rehab. I was trying to do everything I do in the regular season,” Santana said. “It’s something you have to get into the routine and listen to your body.”

Santana was scratched from his next scheduled start and he flew to New York to see doctors.

He will stay with the team for the remainder of its six-game homestand that began Friday against Atlanta. He will not throw but will continue with the exercises that are part of his therapy.

Santana should resume throwing when he returns to Florida.

Said Collins: “He’s resigned to the fact this could be process could take some time.”

Do you expect to see Santana at Citi Field this season? Sound off below…

(TM and Copyright 2011 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2011 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

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