When the Houston Texans play in prime time Thursday night, a rookie quarterback will take the snaps. Their superstar quarterback will be somewhere, we can assume, still on planet Earth but nowhere near NRG Stadium. Technically, Deshaun Watson could appear under center against the Carolina Panthers or in any other game this season. The league’s inaction over the sexual misconduct and abuse allegations directed at Watson has made it possible for him to wear the coveted shield patch on an NFL jersey collar.