Originally Posted by silentassassin
I may be wrong, but I think spiking the ball for anything other than a touchdown celebration results in an unsportsmanlike conduct.
And he clearly spiked the ball out of frustration there.
In basketball, you'll get a technical. In the NFL, I think it's a 5 yard delay of game penalty, unless a timeout was called. So, no penalty was the correct call, IMO.