Shelby Houlihan, American Olympic distance runner, blames positive steroid test on burrito | CBS Sports Headlines Shelby Houlihan, American Olympic distance runner, blames positive steroid test on burrito Houlihan outright denies ever taking any sort of performance enhancing substances, or cheating in any capacity ESN FeedsThis post was originally published … Continue reading Shelby Houlihan, American Olympic distance runner, blames positive steroid test on burrito