BOSTON -- Will Curt Schilling's ankle injury hold up for game two Sunday night? Red Sox fans are holding their breath, and so is the team physician.

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NewsCenter 5's Heather Unruh reported that Dr. Bill Morgan talked candidly about the unprecedented procedure that worked so well last week, and his plans to give it another try.

Doctors were closely watching Schilling's ankle tendon to see if it's become more stable. But chances are 90 percent that he'll need a second procedure before Sunday's game.

Morgan told reporters repeating the 10-minute technique he pioneered will cause Schilling no additional harm.

"It's clearly what's best for him. We're not compromising his health in any way. We want to win, but not at the expense of Curt Schilling's future," Morgan said.

Morgan said that the only risk to Schilling was removed right after Game 6, when he took out three sutures that prevented the tendon from snapping over the bone.

"The only potential of leaving the sutures in is you worry about an infection. And he's aware of that and that's why the sutures come out," Morgan said.

New MRIs show the tendon, while in the wrong place, is in good shape. But there's little chance Schilling can pitch without suturing it again.

"When it does snap, even though it's numbed up, it's very distracting. It's an unstable type of feeling particularly when he tries to push off," Morgan said.

The procedure doesn't eliminate Schilling's pain, but enables him to push through. Morgan said that he won't change the game plan.

"We're not going to change anything that we've done. It was successful, and we're going to stick with what we're doing," he said.

The second procedure will likely happen at Fenway Saturday, and Morgan isn't ruling out a third time if Schilling is needed to pitch in a Game 6 or Game 7.

Morgan said that Schilling will have reconstructive surgery at St. Elizabeth's Medical Center two to three days after the World Series.