adrian peterson*We have horrible news to report about the 2-year-old son of NFLer Adrian Peterson.

Peterson, the Minnesota Vikings superstar running back was not at practice on Thursday due to a “tragic” personal situation involving the alleged assault and subsequent death son in Sioux Falls, South Dakota.

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In a story in the St. Paul Pioneer Press – Nelson Peterson, the footballer’s father – confirmed that the child is Adrian Peterson’s son, but it is not Adrian Peterson Jr.

“All I can say is, we are asking for prayers and for respect for our family as we deal with this tragic situation,” Nelson Peterson said to the Pioneer Press.

Sioux Falls, South Dakota, police said Joseph Robert Patterson, 27, has been charged with aggravated battery of an infant and aggravated assault. If convicted on the charges, both felonies, Patterson could face up to 40 years in prison and an $80,000 fine.

Prosecutors are considering filing additional charges against Patterson in light of the boy’s death, according to police.

The Argus Leader reports that Patterson was home with the toddler while the boy’s mother was out. Patterson called 911 Wednesday night, reporting that the child had been chocking. Following a medical examination, doctors noticed injuries were consistent with abuse.

Meanwhile, if you’re wondering about Adrian Peterson, He returned to practice on Friday and told reporters that, “without a doubt,” he will play on Sunday. Beyond that, Peterson only other comment was that it’s “private matter.”

“I will ask you all to please just respect my privacy,” Peterson said.