Smith had a tough beginning to his previous start on Tuesday vs. the Cubs with four first-inning runs allowed. But Smith kept Chicago scoreless over the next four. His command is still an issue as he allowed five walks in the five-inning start.
The Pirates have won seven of Happ's last nine starts, an incredible stretch during which Happ has gone 6-1 with a minuscule 1.53 ERA. He last faced the Reds on Sept. 9 in Cincinnati, striking out 10 in six innings of work.