The 2014 recruiting class is huge for linebackers as the Cowboys will need to recruit at least four or five linebackers in the class.
Phillips is a 6-0, 212-pound playmaker with good speed (4.65) and he's strong with a 300-pound bench press and he said he did a 365-pound squat max last week.
Phillips had offers from Baylor, Boise State, Colorado and Northwestern among others.
"I wanted to make an early commitment and go from there," said Phillips. "It is a load off my mind. I liked everything about Oklahoma State, the athletics, the way they do academics, and the coaches seem really cool.
"I really hit it off with Coach Spencer. Right now, I am looking at engineering for a possible major. It looks like a nice place to be the next four years."
Phillips said he is not running track this spring like he has in the past, and that he is working out for football all this spring. He also said he doesn't know why the defensive stats for Pearland are so much tougher to find than the offense.
"I don't know my stats from last season but I'm going to have to ask my coach because you aren't the first one to ask me," said Phillips. "I honestly don't know them."
He does know where he is going to rack up his college stats and that is Oklahoma State. He becomes the Cowboys second commitment in the 2014 class joining Broken Arrow, Okla. running back Devon Thomas.