Kubiak impressed so far with Collin Klein

Like Tim Tebow, Collin Klein stubbornly has refused to relinquish his dream of playing quarterback in the NFL.  Like Tebow, Klein currently doesn’t have a job playing quarterback in the NFL. Unlike Tebow, Klein is auditioning for a team.  He’s participating in the Texans’ rookie minicamp on a tryout basis. So far the reviews are…