With everyday No. 3 hitter McCutchen taking the day off, Neil Walker batted in that slot for only the second time this season.
Right-hander Juan Cruz (elbow inflammation) on Sunday threw the first bullpen session on his comeback agenda.
Rod Barajas' tie-breaking single in the ninth inning Saturday was only the Pirates' fifth run-scoring hit to not leave the yard in a span of nine games; in that same stretch, the Pirates had 13 home runs.
With 71 home runs in their first 51 road games, the Pirates have a shot at a new club record. The 1966 edition set the standard with 110.