Marcell Dareus, the rookie nose tackle for the Buffalo Bills is making a strong case for himself to be named the NFL Defensive Rookie of the year.

With 7 games still left to play, Dareus has been a complete impact player on the Buffalo Bills' revitalized defense, seriously improving the level of play. The Alabama product has earned respect of offensive coordinators, and rightfully so, racking up 3.5 sacks and 26 tackles halfway through the season, sparking an anemic pass rush.

If this hulking monster only recently caught your attention, or if this is the first time you're hearing of him, here's a quick explanation as to why he is as good as he's been. ESPN's Sports Science broke down Dareus prior to the 2011 NFL Draft with a series of tests, shown below.

The surpassing of Ndamukong Suh in a particular test will shock you to the core. Just watch. You'll see.