Super Bowl 59 may come down to the margins as the Kansas City Chiefs and Philadelphia Eagles prepare for battle on Sunday.

The roughing the passer penalty is one of the most controversial flags in football. Here's how the NFL defines it.

Few penalties in football are as controversial as roughing the passer. While certain penalties in the NFL are fairly cut-and-dry, such as false starts, illegal man downfield, or encroachment ...

The two made some minor contact at the end of the play, as a rushing defensive lineman and a quarterback are wont to do. However, the officials flagged Anderson for roughing the passer anyhow. This ...

Here's a breakdown: Josh Allen leads NFL in drawing roughing the passer penalties Josh Allen is No. 1 among active quarterbacks in receiving roughing the passer calls per game against an opponent ...

NFL senior VP of officiating Walt Anderson addressed multiple penalties against the Texans for unnecessary roughness and roughing the passer on Chiefs quarterback Patrick Mahomes following uproar ...

Allen receives .311 per game, with Mahomes No. 8 at .237 per game. Allen draws a roughing the passer penalty .936 times per 100 pass attempts, most among active quarterbacks. The next closest is ...

NFL officials have assessed 47 penalties against the Chiefs in ... Will Anderson was called for roughing the passer on Patrick Mahomes on this play.#HOUvsKC | ESPN, ABC, ESPN+ pic.twitter.com ...

Clay Martin was asked about the penalties after the game, and his explanation didn't really help matters. "I had forcible contact to the face mask area so I went with roughing the passer on that ...

AFC Divisional Playoffs: Houston Texans v Kansas City Chiefs / David Eulitt/GettyImages Surprise, surprise, the Kansas City Chiefs won another home playoff game and will be participating in the ...