Brown said the team doctors told him he might be able to resume throwing after next week's game against Cincinnati.
He said he expected to resume throwing in November.
If he has surgery, he would not be able to resume throwing until next summer.
The Mets expect him to return to camp Friday and resume throwing early next week, as good as new.
The 33-year-old relief pitcher is expected to resume throwing in four to six weeks.
Pennington, who has missed two games because of a strained right rotator cuff, resumed throwing on Wednesday.
How soon Montana could resume throwing after the surgery was unknown.
He will resume throwing once the tendinitis is alleviated.
Three more weeks with a splint on the middle finger of his left hand, and then Franco can resume throwing again.
Mussina said he would need at least a week after resuming throwing before he could start again.