Pittsburgh Steelers team-mates Ben Roethlisberger and Antonio Brown test their knowledge of one another, but who knows the most?
Click on the video above to watch the quarterback and wide receiver combo do battle on the key questions, like what animal Ben would like to be?
We also find out who Antonio's favourite music artist is, how many times a day he brushes his teeth and who Ben's first ever touchdown pass was thrown to.
You can see if the two Pittsburgh players' chemistry is any better on the field, as they take on Baltimore Ravens, live on Sky Sports Action from 5.30pm on Sunday.