Rubuta ci gaba don wannan sakin layi - Frolov ya kasance wani ɓangare na tawagar da ta gama na uku a cikin maza 4x400 m relay a gasar Olympics ta 2008.
, amma an cire tawagar bayan abokin wasan Denis Alekseyev ya gwada tabbatacce don yin amfani da kwayoyi.