Seems like it's been a while since there's been a big sports gambling incident.
Tim Donaghy in '07 seems like an eternity ago, but before that in the '80's and '90's it seemed like there were constant incidents.
Several NCAA basketball point shaving scandals (BC '79, Tulane '85, Arizona State '94, Northwestern '95)
Art Schlichter in the '80's
Pete Rose in '89
Michael Jordan in the '90s
BC football in '96
Since sports gambling isn't really on the public's mind at the moment, probably not a big deal, but if it was I could see more of a backlash.
I remember reading Charles Barkley's first book Outrageous years ago. When he was with Philly he was talking trash with Mark Jackson (then on the Knicks) during the '89 playoffs, and he said something like "I bet you $10k I'll make this next shot." Then the next day David Stern called Barkley up and said you can't do that. Barkley said they were obviously not serious, but Stern said plenty of fans could hear it and what if Barkley had an open teammate, and they thought he took a bad shot because of the bet with Jackson, yada, yada, yada. But that was fresh off of the Pete Rose story.