Adrian Peterson -- Indicted for Child Abuse ... Doc Reported Injuries (Photo Update)

4:12 PM PT -- According to the police report, Peterson allegedly sent text messages to the child's mother saying he "felt bad" because he struck the kid in the testicles.

"Got him in the nuts once I noticed. But I felt so bad, n I'm all tearing that butt up when needed!" the text said.

Peterson allegedly sent a follow up text saying, "Never do I go overboard! But all my kids will know, hey daddy has he biggest heart but don't play no games when it comes to acting right."

4:10 PM PT -- According to the police report, the child told authorities he had also been hit by a belt and there were "a lot of belts in daddy's closet."

The child also said AP had put leaves in his mouth when he was being struck and that his pants were down.

3:50 PM PT -- The Vikings have deactivated Peterson for Sunday's game.

3:34 PM PT -- Peterson has issued a statement through his lawyer saying, "The charged conduct involves using a switch to spank his son."

"This indictment follows Adrian's full cooperation with authorities who have been looking into this matter. Adrian is a loving father who used his judgement as a parent to discipline his son."

"He used the same kind of discipline with his child that he experienced as a child growing up in East Texas. Adrian has never hidden from what happened."

"He has cooperated fully with authorities and voluntarily testified before the grand jury for several hours."

"Adrian will address the charges with the same respect and responsiveness he has brought to this inquiry from its beginning. It is important to remember that Adrian never intended to harm his son and deeply regrets the unintentional injury."

3:00 PM PT -- The police report on the case includes photos of cuts on the boy's thigh and hands. He also had bruises on his lower back and buttocks, and according to the report ... Peterson admitted punishing him.

One law enforcement source tells TMZ ... Peterson decided to discipline his son by grabbing a branch from a tree -- and then whipping the child on his bare skin. We're told several of the wounds were bleeding when the child went back to his mother.

2:31 PM PT -- The Vikings have issued a statement saying ... "The Vikings are in the process of gathering information regarding the legal situation involving Adrian Peterson."

"At this time, we will defer further questions to Adrian’s attorney Rusty Hardin."

Minnesota Vikings superstar Adrian Peterson has been indicted for child abuse in North Montgomery County, TX ... TMZ Sports has learned.

Sources connected to Peterson tell us ... the alleged victim is a male child from Minnesota who was visiting Adrian back in May at AP's home in Texas.

We're told the child returned home to his mother in Minn. who noticed injuries and took the child to a doctor. A short time later, the doctor contacted authorities in Texas to report Adrian.

Child Protective Services confirms it is working on a case involving Peterson. Multiple sources tell us the alleged victim is a 4-year-old boy.

Peterson was indicted in Montgomery County for reckless or negligent injury to a child, this according to MyFOX Houston 26.

Peterson missed Vikings team practice yesterday -- though the team explained it as a "veteran's day." Peterson did attend practice today and was said to be laughing and joking on the field.

Earlier today, Peterson posted a message on Twitter -- though it's unclear if it's related to the case.

"People understand that if you are on God's course and suppose to have that position and man decides to remove you know that God will remove everyone to place you rightfully! You matter!"

"Its your season! Weapons may form but won’t prosper! God has you covered don’t stress or worry!"

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