Hamilton says he's retiring from cycling
American cyclist Tyler Hamilton announced his retirement Friday after testing positive for the steroid DHEA, which he said he knowingly ingested in an over-the-counter herbal antidepressant.
It was the second doping offense for the veteran rider, who tested positive for homologous blood transfusion in 2004 and served a mandatory two-year suspension even as he disputed the test results through two rounds of arbitration.
Hamilton likely would face a suspension of eight years ...
Read full story