The Sioux Falls (S.D.) police department released news Friday afternoon that Minnesota Vikings star Adrian Peterson's 2-year-old son has died from injuries sustained in an alleged assault by the boyfriend of the child's mother.

Police are withholding the child's name at the request of the family. Police spokesman Sam Clemens said the state attorney's office is reviewing the case to consider additional charges against 27-year-old Joseph Patterson.

Patterson was charged with aggravated assault and aggravated battery of an infant. His bond was set at $750,000.

Peterson talked to the media at the Vikings practice facility, asking for privacy. "I really appreciate all the support that I've been receiving from fans, the Vikings organization," the MVP running back said at a brief news conference inside the locker room. "This is a private matter, and I would ask you all to please just respect my privacy and not ask at all about the situation at hand. Thanks."

Peterson's father, Nelson, confirmed to the Minneapolis Star Tribune earlier Friday by phone that the child is Adrian's son. Peterson said he planned to play Sunday against the Carolina Panthers at Mall of America Field.

"I will be playing Sunday," he said. "I'll be ready to roll, focused."


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Dozens of current and former professional athletes wished Peterson well on Twitter, expressing support, offering prayers and voicing disgust about the alleged abuse. "Sick for my friend. Strong guy but this one will bring the strongest down," tweeted NBA star LeBron James.

Vikings coach Leslie Frazier said he thought Peterson practiced as well as he could Friday considering the circumstance.

"He seems like he was into it, engaged in what he had to get done," Frazier said. "Obviously, tough. He's human. But he was into it mentally, best as he could be."

Bears: The team said middle linebacker D.J. Williams will miss the remainder of the season because of a chest injury.

Williams (De La Salle High-Concord) ruptured his left pectoral muscle tendon during Thursday's win over the New York Giants. He was signed in the offseason to help replace Brian Urlacher.

Jets: Tight end Kellen Winslow Jr. was suspended without pay for four games by the NFL for violating the league's policy on performance enhancing substances. Winslow, the team's leading receiver with 17 catches, is beginning his suspension immediately, meaning he will sit out the Jets' game against the Pittsburgh Steelers on Sunday.

Broncos: Denver's shaky secondary gets a big boost Sunday with Champ Bailey set to make his 2013 debut against the Jacksonville Jaguars. Bailey hasn't played since spraining his left foot in the second preseason game at Seattle on April 17.

Lions: Defensive tackle Ndamukong Suh lost an appeal of the $100,000 fine against him, taking a financial hit for a block below the belt. Suh's agent, Roosevelt Barnes, told The Associated Press he was notified Friday of the appeal officer's decision.

The six-figure fine was the largest in NFL history for on-field conduct, not including money lost by players due to suspensions. Suh was fined for a sixth time in his four-year career on Sept. 10, two days after making an illegal block on Vikings center John Sullivan.

The Associated Press contributed to this report.