... is defined as being bound to, grateful for, or being beholden to someone or something.  

NFL Hall of Famers such as Dan Fouts, John Madden, and Joe Gibbs certainly owe a great deal of gratitude to Don Coryell for bringing his new and revolutionary passing attack, known as "Air Coryell," that was never before seen in the NFL at that time and is now used in some form by every team in the NFL today.    

You remember the Ram's "Greatest Show on Turf" with Mike Martz, Kurt Warner, and Issac Bruce? Coryell's fingerprints are all over it right down to his DNA.

What about TE's Antonio Gates, Jason Witten, and Dallas Clark splitting out wide, that is a splice right off of the Coryell gene pool. 

Or what ...

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