By Alek Arend Chiefs offensive coordinator Eric Bieniemy has been patiently waiting for a head coaching opportunity in the NFL. He may finally get one. According to ESPN’s Adam Schefter, Bieniemy will interview with the New Orleans Saints for their head coaching position on Sunday. The Saints’ coaching search has flown a bit under the radar, but it’s without a doubt shaping up to be one of the most pivotal in the league. The organization is looking for a replacement for Sean Payton, who stepped away from his position just a few weeks ago. Frankly, Bieniemy getting a head coaching job is long o…