Arizona Diamondbacks vs Cincinnati Reds Betting Picks

I had the UNDER in the opener of this series two days ago and it did not work out, Arizona jumping on Cincinnati early in a 9-0 laugher that blew right through the number. The very next night the Reds turned around and hung eleven on the Diamondbacks, which sets up a rubber match this afternoon between two lineups that have traded body blows all series without much regard for pitching. That kind of back-and-forth is exactly the spot my numbers flag for a correction: a series where the last two games went to opposite extremes tends to settle into something tighter in the finale. Mitch Bratt gets the ball for Arizona carrying a 4.17 ERA, and Andrew Abbott goes for Cincinnati at 4.07, two middle-of-the-road arms capable of keeping this one from getting away from either side. Neither offense has been consistent enough this season to trust as a total-inflator on request, and after two games decided by a combined fifteen runs, I like the number to settle back down. Take the UNDER in the rubber game this afternoon.

I had Atlanta over Arizona on Sunday, and it cashed, part of a stretch where the Diamondbacks cooled off after a hot start to that series. Eduardo Rodriguez takes the mound for Arizona tonight, and he has been one of the better pitchers in the league all year: a 2.71 ERA, a WHIP just over 1.2, and a 12-4 record. His last time out, he worked six innings and allowed two earned runs against this same Atlanta club. Nick Lodolo goes for Cincinnati carrying a 4.52 ERA, but he has settled in lately, throwing five scoreless innings his last time out. Neither offense has been doing much lately. The Reds are averaging right around four runs a game, and Arizona sits only a little above that. Two capable rotations, two lineups that have not been doing much damage, and a total that has not caught up to either club. Take the UNDER tonight.

The Cincinnati Reds have lost 11 of their last 14, and they're doing it without Elly De La Cruz. The shortstop led the club with 12 homers and 37 RBI before a hamstring shut him down, and no combination of Matt McLain and Edwin Arroyo fills that production gap. Andrew Abbott had a genuine hot streak in May — a 0.82 ERA over four starts — but the 2026 arc is messier: he opened the year 0-2 with a 6.59 ERA in six outings before catching fire, and the season ERA has ticked back to 4.10 at 4-4. Gallen's numbers (5.43) are real, but this is near-even money at a hitter-friendly park against a Reds bullpen already missing three arms to injury. Arizona carries a 5-2 edge in the season series. At this price, the Diamondbacks are the bet.

The Cincinnati Reds have lost eight of their last ten games, and the offense hasn't just slowed down. The team that was averaging 4.30 runs per game has been held to 3.2 per game during that skid, and the pitching hasn't covered the difference. The timing is rough, with Mike Soroka arriving in town for Arizona. Soroka is one of the better stories in baseball this year: 3.28 ERA, 1.15 WHIP, eight wins through 14 starts, with underlying numbers that strip out luck and still sit below 3.10. He's been the reliable top-of-rotation presence this Arizona staff has needed all season, delivering six quality starts and keeping the D-backs in games consistently. The Reds counter with Rhett Lowder, a talented young right-hander with real upside who is still finding his footing at this level and sitting at a 5.01 ERA through his first several starts. Against a healthy Arizona lineup and a starter pitching at this level, Cincinnati is a difficult lean today. Take Arizona this afternoon.