Based on the accusations that Andy Pettite and Roger Clemens used performance-enhancing drugs, I think David Carr should be tested for those substances.
If he tests positive, then we know that it's not their trainers, but H.E.B. slipping a few foreign substances in their meat products these three jocks shill.
Nothing quite like tossing a few steaks on the grill and exploding with 'roid rage when the coals keep going out.