Tom Coughlin, Rex Ryan, Bill Belichick and 29 other guys have the coveted job of coaching a professional football team. Three of those guys aren't the same ones who started the year in that job, but such is life in the NFL.
At the end of the day, winning is the biggest measuring stick for success. How you get those wins often doesn't matter. One of those ways, though, is by being a good "game manager," that is your ability to manage the clock, know when to call that trick play, knowing which clutch plays to call and how much weight your authority carries on the sidelines.
For those Rex Ryan fans out there, the "weight" is figurative, not literal.
Here's a look at 10 head coaches: five who could be considered "good" game managers, and five who would be considered "bad" game managers.