FOXBOROUGH, Mass. — Bill O’Brien has agreed to return to the Patriots as their offensive coordinator, a person familiar with the decision told The Associated Press on Tuesday. The person spoke to the AP on condition of anonymity because the deal hasn’t been finalized. O’Brien spent the past two seasons as offensive coordinator for the University of Alabama. Before that he was the head coach of the Houston Texans from 2014 to 2020, leading them to four playoff appearances before being fired in 2020 after an 0-4 start. He also served as Penn State’s coach from 2012 and 2013. That…