MUKACASINO RTP SLOT Split end (X or SE): A receiver positioned farthest from center on their side of the field which takes their stance on the line of scrimmage, necessary to meet the rule requiring seven players to be lined up on it at the snap. Originally, the ends played on the offensive line, immediately next to the tackles, in a position now referred to as the tight end. As the passing game evolved, a second de facto wide receiver was added by employing a running back in a pass-catching role rather than splitting out the "blind-side" end, who was typically retained as a blocker to protect the left side of right-handed quarterbacks. Bleacher Report. Retrieved May 26, 2017. The award is typically given to the league's most productive quarterback or running back.|Slot Mindset. Genius {Idea|Concept|Thought}!