David Tepper threw his drink at a jaguar fan (fined for 300,000 dollars)

Joey bourque said
How about the Ricky Williams trade. Giving up a whole draft for one player plus a extra No. 1 pick

If you're judging by value received for value given, it's worth noting that Ricky Williams turned out to be a 10,000+ yard career rusher in the NFL.*

*Not counting his CFL yards.