The Reds opened up the second series in the west coast road swing with a 6-5 loss to the Diamondbacks last night in Phoenix.
They have had a dismal month of May losing 10 of 11 games.
The Reds are now 17-24, 7 games back of the Brewers tied with the Cardinals for last place in the NL central.
Game 2 for the Reds and DBacks tonight is 9:40pm with pregame at 9:10pm on Real Country 95.1 WTCW.
They will wrap up the DBacks series Wednesday with a day game at 3:40pm.
The Reds will play 4 this weekend starting Thursday against the Dodgers in LA.