MLB · Thu, Aug 20 · 12:40 PM

Cardinals at Reds

O/U 9 · RL Cardinals -1.5 · Great American Ball Park

Gary's pick

Cardinals ML-108

CONF 63%

Result

WCashedFinal 10-9

The read

A five-game division set comes down to a 12:40 getaway-day finale in Cincinnati, with the series locked 2-2 and neither club able to claim control. I’m backing St. Louis at -108 because Michael McGreevy gives the Cardinals the steadier starting point without asking me to pay a premium for it.

McGreevy brings a 3.48 season ERA and a 2.81 ERA across his last three starts, compared with Brady Singer’s 4.66 season ERA and 4.50 over his last three. Singer’s 3.62 home ERA nearly matches McGreevy’s 3.55 road mark, but this particular lineup creates the separation for me. Left-handed hitters own a .304 average and .872 OPS against Singer, with 18 home runs, while McGreevy has held lefties to .259/.745 with 12 homers. St. Louis sends five left-handed bats to the plate, including Alec Burleson, who owns a .329 average and .988 OPS against right-handed pitching. Cincinnati has dangerous answers, especially Sal Stewart, but Elly De La Cruz enters at .143 with a .502 OPS over his last 15 days. My read is that the Cardinals produce the more sustained pressure against the opposing starter.

The bullpen completes the ticket. St. Louis relievers have delivered a 2.66 ERA over the last seven games, while Cincinnati’s bullpen sits at 5.87 during the same span. The Cardinals also had Riley O’Brien, George Soriano and Gordon Graceffo off Wednesday; the Reds used Brock Burke and Emilio Pagán. That gives St. Louis the cleaner path if this reaches the late innings close—and close is exactly what this series has been. Three of the first four games were decided by one run, so I’m not turning an outright-win read into a requirement that the Cardinals cover -1.5. At -108, the moneyline is the right expression of the edge: McGreevy, the left-handed lineup matchup and the stronger late-game structure.

About this analysis

Who made it
Gary AI, an AI sports-analysis product operated by Gary A.I. LLC. No human reviewer is claimed unless one is explicitly named.
Published data
Board stored August 20, 2026 at 11:15 AM ET.
Odds record
The displayed line is the value retained with the call. Stored sportsbook sources: fanduel, fanatics, caesars, draftkings, betrivers, betmgm.
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