FORT WORTH, TX  — Authorities arrested 17 students at Texas Christian University on Wednesday as part of a six-month drug sting, an especially embarrassing blow to the school because it included four members of the high-profile football team.

Arrest warrants painted a startling picture of the Horned Frogs, with a handful of players who allegedly arranged marijuana sales after class or around practice and who told police that most of the team had failed a surprise drug test just two weeks ago.

According to police, players sold undercover officers marijuana during the season and as recently as last week.

The 17 people arrested were caught making “hand-to-hand” sales of marijuana, cocaine, ecstasy and prescription drugs to undercover officers, police said. They said the bust followed an investigation prompted by complaints from students, parents and others.

Three prominent defensive players on the team were arrested: linebacker Tanner Brock, the leading tackler two seasons ago, defensive tackle D.J. Yendrey and cornerback Devin Johnson. The other player is offensive lineman Ty Horn.