Johnny McGroddy has kicked 12 points in Donegal's opening two wins in the U-20 Development League, with the Downings forward posting five in Castlerea against Roscommon.
Donegal, who won 3-14 to 0-6 on the opening weekend in Derry, were 2-9 to 0-11 winners in Roscommon.
"Good victory," McGroddy said afterwards. "We were deservedly in front at half-time and we were happy with that. We tried t build on that in the second half."
Donegal are home to Mayo this coming Saturday.
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