That he conquered the great bowman, the son of Drona as also the son of Sharadvata on the occasion of the capture of the capture of Virata's kine, is indeed indication enough.
तथा द्रौणि महेष्वासं शारद्वतमथापि च। गोग्रहे जितवान् पूर्वं पर्याप्तं तन्निदर्शनम्॥