At least four Texas Christian University football players were arrested in a drug sting on campus that ensnared 17 TCU students.

The four football players arrested were Tanner Brock, Devin Johnson, D.J. Yendrey and Tyler Horn according to Fort Worth, Texas police.

Johnson and Yendrey were both major contributors to the Horned Frogs defense and Brock was an All-Mountain West player in 2010 before an early season injury derailed this past season. Horn was expected to compete for a starting job on the TCU offensive line this fall.

There are days people want to be a head football coach, but today is not one of those days, head coach Gary Patterson said in a prepared statement. As I heard the news this morning, I was first shocked, then hurt and now I'm mad.

The 17 arrested students were allegedly part of a ring that sold marijuana, cocaine, ecstasy and prescription drugs on campus.  All 17 have been separated from TCU, according to school chancellor Victor Boschini and will be subject to expulsion if convicted.

According to local police, the arrests were the result of a six-month long investigation that began with complaints from other students and parents. The Fort Worth and TCU police departments have said that the investigation is ongoing and other students could be arrested in the sting.

There's no doubt all arrested today are drug dealers, said TCU Police Chief Steven McGee. These students engaged in hand-to-hand delivery with undercover officers.

This news is doubly shocking coming from a school like Texas Christian. According to a Sports Illustrated report last year, TCU was the only team in the AP top 25 poll that did not have a player on its' roster with a criminal record.

The arrests are not expected to affect TCU's entrance into the Big 12 this fall though no statement has been made on the arrests from the league itself.

I don't think it's a football problem. It's four people on the football team, Boschini said.