Stevens, who spent the final season of his college career at Mississippi State, is the newest member of the New Orleans Saints.
John Reid will play for Bill O'Brien with the Texans, a coach who helped recruit him to Penn State.
The defensive tackle heard his name called by the Colts in the sixth round.
Brown is the first Penn State linebacker to be selected in the NFL Draft since Michael Mauti and Gerald Hodges in 2013.
John Reid was picked by the Texans on Saturday afternoon.
Gross-Matos admitted that he "didn't even know" Rhule offered him when he was the head coach at Temple back in 2016.