Texans sign three draft picks, 15 undrafted rookies

The Texans have joined the draft pick signing fun to close out the week. The team announced the first three agreements with members of their 2016 draft class. The Texans started from the back, signing fourth-round running back Tyler Ervin, fifth-round safety K.J. Dillon and fifth-round nose tackle D.J. Reader, leaving their first three picks, including…