Former baseball slugger, admitted steroid user, best-selling author, and alleged wife-beater Jose Canseco can now add a new descriptor to the pile: nutritional expert. Canseco, whose autobiography Juiced: Wild Times, Rampant 'Roids, Smash Hits & How Baseball Got Big has proven surprisingly credible given how much of a monkey he is, has signed on to endorse German Athletic Technologies, a manufacturer of bodybuilding supplements.