Erm, I don't know where you got that, but I bought a handy dandy scouting guide last week that actually says Hansens sinking fastball is one of the heaviest sinkers in the minors. And just about every 98 mph fastball is gonna be a heavy pitch. Hansen is very good, great location and great stuff, just needs to learn to pitch. There is no bad news with this what-so-ever in my opinion. A pitcher is a pitcher and he can best help out the team right now by starting and all last year all we heard is how he has the frame to be a starter, the stamina to be a starter, and the stuff. Why, now that he will be a starter, are there skeptics?
edit - might be a starter.