According to John McClain of the Houston Chronicle, the Texans have narrowed down their list of prospects to a final four:
Clowney or Manziel with first pick. If trade down and Manziel is gone Bortles or Mack.
— John McClain (@McClain_on_NFL) April 26, 2014
Those are arguably the four best players in this year’s draft and the Texans are considering all of them.