Baseball season is a marathon, not a sprint, and for savvy bettors, understanding the ebb and flow of team performance is paramount. As the Arizona Diamondbacks roll into Cincinnati for a Friday evening clash with the Reds, a compelling narrative emerges, pointing squarely towards a high-scoring affair. Forget the standard moneyline or run line; today, we’re dissecting why the Over 9 total runs is not just a plausible outcome, but a calculated and smart wager that offers significant value.
The Diamondbacks: Riding a Wave of Offensive Firepower and a Pitching Quandary
The Arizona Diamondbacks (31-31) arrive in Cincinnati on a remarkable wave of momentum, having just completed a dramatic three-game sweep of the Atlanta Braves. Their most recent victory, an improbable 11-10 triumph powered by a seven-run ninth inning, showcases an offense that, when clicking, can explode. This wasn’t a fluke; the Diamondbacks are currently ranked 4th in MLB in runs per game (5.0) and boast a robust team batting average of .254 (6th overall). Their slugging percentage of .444 (3rd in MLB) and 84 home runs (4th overall) further underscore their ability to generate extra-base hits and drive in runs.
Key Offensive Players to Watch:
- Eugenio Suarez: The former Red, now Diamondback, is undoubtedly fired up to face his old team. His clutch two-out double in Atlanta brought in the tying and go-ahead runs, and his current season numbers (.227 AVG, 16 HR, 44 RBI) indicate significant power potential.
- Corbin Carroll: A dynamic force at the plate, Carroll is hitting .259 with 18 home runs and 39 RBIs. His combination of speed and power makes him a constant threat to create offense.
- Ketel Marte: With a .293 average and 10 home runs, Marte is another cornerstone of the D-backs’ offensive attack.
However, the pitching situation for Arizona presents a clear opportunity for runs. They are handing the ball to left-hander Eduardo Rodriguez (1-3, 7.05 ERA), who is making his return from the 15-day injured list due to shoulder inflammation. Rodriguez’s 2025 campaign has been rocky, to say the least. His last start on May 14 saw him surrender four runs in just four innings. While he did strike out nine in his rehab outing, allowing four runs (three earned) in 4 2/3 innings in a rookie league game doesn’t inspire confidence. His career ERA of 2.77 against the Reds is a small sample size from 2017 and 2023, and his current form is a far cry from that. This is a pitcher who has struggled with command and giving up hard contact this season, and a return from injury often comes with rust.
Furthermore, the Diamondbacks bullpen, which has been overextended recently, carries a concerning 5.25 ERA (24th in MLB). This unit has allowed 31 home runs and given up 124 earned runs, suggesting a vulnerability that can be exploited by opposing offenses, particularly after a starter is pulled early.
The Reds: Slumping but with Offensive Upside and a Pitching Dilemma
The Cincinnati Reds (30-33) enter this series in a slump, having lost four of their last five games and falling to fourth in the NL Central. Their recent 9-1 loss to the Brewers underscores their current offensive struggles. However, it’s crucial not to dismiss their offensive potential entirely. They average 4.44 runs per game (10th in MLB) and have a team batting average of .243. While their overall numbers against left-handed pitching are below average (.213 AVG), playing at Great American Ball Park, a notoriously hitter-friendly park, can significantly inflate offensive output.
Key Offensive Players to Watch:
- Elly De La Cruz: The electrifying shortstop leads the Reds in home runs (12), RBIs (43), and stolen bases (19). His raw power and speed can change a game in an instant.
- TJ Friedl: With a .300 batting average, Friedl provides a consistent on-base presence at the top of the lineup.
- Jose Trevino: The catcher is hitting an impressive .294 with a .325 OBP, showing an ability to get on base and contribute.
On the pitching side, the Reds will start left-hander Nick Lodolo (4-4, 3.10 ERA). While Lodolo has had some impressive outings, including six shutout innings against the Cubs in his last start, he’s also shown a tendency to give up runs in bulk, as evidenced by seven runs (six earned) allowed in 5.1 innings against the Nationals on May 3. He’s also never faced the Diamondbacks in his career, which could lead to some initial struggles as he adjusts to their lineup.
Like Arizona, the Reds’ bullpen also carries a relatively high ERA at 4.04 (11th in MLB). While better than Arizona’s, it’s still a unit that can concede runs, especially if Lodolo has a short outing and the bullpen is forced to chew up a lot of innings. The recent loss of Hunter Greene to the IL further weakens their starting rotation depth, putting more pressure on their bullpen.
Situational Factors and Betting Analysis for the Over 9
The confluence of these factors strongly suggests that an Over 9 total is a highly attractive bet.
- Starting Pitcher Vulnerability: Both Eduardo Rodriguez and Nick Lodolo have shown susceptibility to giving up runs in 2025. Rodriguez is coming off the IL, which almost always means a shorter leash and potential rust. Lodolo, while capable of brilliance, has had outings where he’s been hit hard. The Diamondbacks’ strong offense against lefties (despite the Reds overall low batting average vs. LHP) and the Reds’ offensive talent (especially in their home park) creates a fertile ground for runs.
- Bullpen Concerns: Both bullpens are statistically below average (Diamondbacks 5.25 ERA, Reds 4.04 ERA) and have shown a propensity to give up runs, especially home runs. After the starting pitchers are pulled, the relief units will be tasked with navigating two offenses capable of putting up crooked numbers.
- Hitter-Friendly Ballpark: Great American Ball Park is notorious for being a hitter’s paradise. The short fences and generally favorable hitting conditions often lead to higher-scoring games, a trend that shouldn’t be overlooked. This factor alone adds significant juice to the “Over” play.
- Diamondbacks’ Offensive Momentum: The D-backs are hot at the plate, coming off a sweep and a historic comeback. Offenses often carry that momentum into subsequent games, feeling confident and aggressive.
- Reds’ Urgency: While slumping, the Reds are at home and desperate to turn things around. This could lead to a more aggressive offensive approach early in the game.
- Recent Trends: The overall MLB trend for “Over” bets in 2025 is 417-477, with 46.6% going over. However, more specific trends, like those involving teams with worse bullpen ratings on winning or losing streaks, often lean towards higher scores. Given the shaky bullpens here, this fits the narrative.
Considering the average runs scored by both teams (Arizona 5.0, Cincinnati 4.44), their combined average of 9.44 already pushes past the 9-run total. With the starting pitching matchup favoring offense and both bullpens having shown cracks, it’s easy to envision a scenario where each team scores at least 4 or 5 runs, comfortably clearing the 9-run threshold.
Conclusion: A Calculated Wager for High Returns
The matchup between the Arizona Diamondbacks and Cincinnati Reds on Friday evening presents a tantalizing opportunity for bettors eyeing the “Over 9” total. With Eduardo Rodriguez returning from injury for the Diamondbacks and Nick Lodolo facing an unfamiliar lineup, coupled with two bullpens that have struggled to consistently shut down offenses, runs are simply waiting to be scored. Factor in the hitter-friendly confines of Great American Ball Park and the recent offensive surge of the Diamondbacks, and you have all the ingredients for a high-scoring affair.
Pick: Over 9