Knicks' Donnie Walsh has hip surgery

DENVER -- New York Knicks president Donnie Walsh underwent hip surgery Tuesday morning in New York as his team embarked on the first stop of a four-game road trip and prepared to play Carmelo Anthony and the Denver Nuggets.

A team spokesman said Walsh underwent the procedure on his right hip in Manhattan. Walsh's hospital stay is expected to last a few days, and he will work from home at his apartment in New York during his first few days of rehabilitation after being released from the hospital.

The surgery forced Walsh to miss the Knicks' first long road trip of the season, with stops in Denver, Sacramento, Golden State and Los Angeles.

Walsh has been speaking throughout the season with Nuggets officials regarding the availability of Anthony, who has declined to sign a three-year, $65 million contract extension and has been the focus of numerous trade rumors.

Knicks coach Mike D'Antoni said Danilo Gallinari, who has been one of the primary components of the trade talks between Denver and New York, will draw the defensive assignment on Anthony at the outset of Tuesday night's game.

"I've always been asking to guard the best players because it is motivation for me, and it brings more to the game when you have to concentrate more and improve yourself, so that's been why I've been asking him that. He knows that I want to guard the best," Gallinari said.

The Knicks entered Tuesday night's game on a five-game losing streak, and co-captain Amare Stoudemire said he had no regrets after questioning his teammates' lack of urgency following Sunday night's home loss to the Houston Rockets.

"No, man. I never say comments that I regret. It's something I don't do," said Stoudemire, adding that he has not spoken with Anthony recently but has been in contact through text messages.

"We all love Carmelo here, we understand what type of player he is and how he can help the team, but can't focus on that right now. Have to focus on the situation at hand and try to rack up some wins," Stoudemire said. "It's a tough situation, but it is a business. Carmelo I'm pretty sure knows it, and he's going to handle his business in the proper manner to take care of his family and friends, and for us we're going to stay focused on the basketball court and see if we can get some wins."

Chris Sheridan covers the NBA for ESPN.com.