Dustin May’s slider and knuckle-curve give the Cardinals a real pitching edge over Rhett Lowder’s 5.75 ERA — but the more telling story is what sits beneath the total. Both clubs carry sub-.710 OPS marks and neither has shown the sustained run-production capacity to make the over at this number a confident play. The posted 8.5 is stretched thin against this run environment.
Rhett Lowder vs Dustin May: Cincinnati Reds at St. Louis Cardinals Betting Preview
The Cardinals open this series as -164 favorites, and the pitching gap is real — Dustin May is the significantly better starter tonight. But the moneyline at -164 blows past any reasonable juice ceiling, and that forces a more disciplined look at what this game actually projects to be. This isn’t a question of picking the wrong side. It’s a question of finding the right bet type for a game that features two below-average offenses, a park that adds nothing, and a total set at 8.5 that sits right at the edge of what these lineups can realistically produce.
The Cardinals took a 10-6 loss to Arizona yesterday in a high-scoring makeup game, while Cincinnati arrives having split a three-game set in Seattle. Neither team is running hot at the plate — both clubs carry sub-.710 OPS marks on the season, and neither has distinguished itself as a consistent run-scoring machine. That context matters when you’re deciding whether to chase the over or look for the under in a game where the combined run environment at Busch Stadium — a dead-neutral 1.00 park factor — gives the offense no boost whatsoever.
Game Info & Betting Lines
- Date/Time: Friday, July 24, 2026 — 8:15 PM ET
- Venue: Busch Stadium | Park Factor: 1.00 (neutral run environment)
- TV: MLB.TV, Reds.TV, Cardinals.TV, KMOV-TV
- Away Starter: Rhett Lowder (3-7, 5.75 ERA, 1.64 WHIP, 72 IP)
- Home Starter: Dustin May (5-7, 4.78 ERA, 1.32 WHIP, 98 IP)
- Moneyline: Cincinnati Reds +138 / St. Louis Cardinals -164
- Run Line: St. Louis Cardinals -1.5 (+130) / Cincinnati Reds +1.5 (-156)
- Total: 8.5 (Over -104 / Under -118)
Why This Number Is Close
The market has set 8.5 with the over priced at -104 and the under at -118. That’s a book slightly leaning toward the over, which makes sense — Rhett Lowder’s 5.75 ERA and 1.64 WHIP mark him as a genuine blowup candidate, and there’s an argument to be made that this game can get away from Cincinnati early. The -104 on the over reflects that: the market respects Lowder’s volatility and is pricing a real chance at a high-scoring night.
But here’s the problem with chasing the over. These two offenses simply don’t profile as run-producing machines. Cincinnati carries a team OPS of .708 and a staggering 937 strikeouts on the season, making them particularly vulnerable to a pitcher who can locate his breaking ball. St. Louis isn’t much better, posting a .384 SLG and a .701 OPS. The over case relies almost entirely on Lowder imploding in the first three innings. A merely average Lowder outing — four or five innings of three-run ball — combined with May doing his job lands this game comfortably under 8.5.
The under at -118 is the price you pay to fade a line that doesn’t account for how suppressed both offenses have been all season. That feels like reasonable juice for the edge available here.
What Separates the Pitching
The gap between these two starters is meaningful, and it shows up clearly in the Statcast arsenal data. Dustin May works with a four-pitch mix anchored by a four-seam fastball at 95.1 mph (30.6% usage) paired with a slider generating a 30.5% whiff rate and an xwOBA-against of .250. His knuckle-curve at 78.1 mph adds a legitimate third look, and his split-finger — used sparingly at 3.1% — holds hitters to an xwOBA of just .168. May’s sinker at 95.3 mph produces an xwOBA of .310 and gives him an effective heavy-ball option when he needs weak contact. The package is durable: 98 innings pitched, a 1.32 WHIP, and a K/9 of 8.72. Against Cincinnati’s lineup — which carries a .708 OPS and 937 punchouts on the season — May’s ability to miss bats is a real asset.
The BvP sample against May paints a mixed picture. Elly De La Cruz (.469 xwOBA, 9.1% barrel rate) has faced May 26 times but is hitting just .217 in that sample with four strikeouts. Nathaniel Lowe is 4-for-12 with two home runs against May across 12 PA, which is the most concerning red flag in the lineup — but Lowe’s vsRHP xwOBA of .454 is driven by season-wide contact quality, not necessarily this specific matchup history.
Rhett Lowder is a different profile entirely. His four-seam sits at a heavy 98.7 mph with 52.5% usage, but the pitch allows an xwOBA of .357 — above-average contact quality against it. His slider is legitimately effective (47.3% whiff rate, .315 xwOBA), and his split-finger is his best put-away pitch (54.5% put-away rate, .091 xwOBA). But Lowder’s 5.75 ERA and 1.64 WHIP across just 72 innings flag command and consistency issues that the arsenal quality doesn’t fully explain. The Cardinals’ Alec Burleson (.424 xwOBA, 31.2% hard-hit rate) and Lars Nootbaar (.402 xwOBA) profile as threats against Lowder’s high-contact four-seam. In BvP samples, Burleson is 0-for-7 against Lowder with six strikeouts across 11 PA, and Nootbaar is 1-for-9 with five punchouts over 13 PA — encouraging signs for keeping the Cardinals’ run total in check even against a shaky arm.
The Under Case in Plain Terms
Strip away the noise and this is what you’ve got: two offenses that rank among the least productive in their respective contexts, a neutral park that doesn’t inflate run totals, and a clear pitching edge on the home side. Dustin May’s slider (.250 xwOBA against) and knuckle-curve (.288 xwOBA against) give him legitimate weapons to navigate a Cincinnati lineup that strikes out at an alarming rate. Even Lowder — the obvious liability — has a put-away split-finger (.091 xwOBA) that can work in short stretches against a Cardinals offense posting a .384 SLG.
The over needs Lowder to fall apart early and May to be ordinary. The under needs one average starting pitching performance and two offenses to play to their season-long identity. I’ll take the path of least resistance at -118.
Bet: Under 8.5 (-118) — 2 units | Confidence: Moderate
