Urban Dictionary defines a bromance as "a close, non-sexual relationship between two males" that can sometimes reach "such a point where they start to seem like a couple".
This complicated, heterosexual relationship was highlighted in John Hamburg's 2009 film, "I Love You Man" starring Paul Rudd and Jason Segel.
This form of homosocial intimacy has become very popular in American culture, likely not understood by the rest of the world.
Nonetheless, bromances are very entertaining to those outside of the relationship.
It should be a given that the NFL, with all of the high-testosterone players, would have plenty of bromances that not only provide fans with entertainment, but provide teams with chemistry as well.
Here is a list of the most entertaining, inexplicable male relationships in the NFL.