The Blackhawks thought he was ready to turn pro and have shown an aggressiveness in recent years to attempt to pull players from college before they reach their senior season .
The Blackhawks did try to sign Hayden after his junior season .
The Blackhawks thought Hayden was ready to turn pro and have shown an aggressiveness in recent years to attempt to pull players from college before Blackhawks reach Blackhawks ' senior season .
The Blackhawks did try to sign Hayden after his junior season .