Houston Texans head coach Bill O'Brien has admitted that it is impossible to compare the quarterbacks in the 2014 NFL Draft class to New England Patriots quarterback Tom Brady.
O'Brien coached the three-time Super Bowl winner for three seasons when he was offensive coordinator at the Patriots.
Now at the Texans he holds the first overall pick in the Draft, but feels that finding players of Brady's calibre is rare.
He told reporters: "You can't compare guys to Tom Brady. Guys like Tom Brady really don't come along very often. I think he's still playing at a very high level.
"Good friend, great competitor, really enjoyed coaching him and he's one of the best to play this game."
The Texans are widely tipped to select a quarterback with the first pick in the Draft in May.
