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Brewers vs Cubs Predictions & Expert Picks for May 18

Ryan Potts

By Ryan Potts in MLB Baseball

Published:


May 13, 2026; Cumberland, Georgia, USA; Chicago Cubs pitcher Shota Imanaga (18) pitches against the Atlanta Braves during the first inning at Truist Park. Mandatory Credit: Dale Zanine-Imagn Images
  • Shota Imanaga has worked to a 2.32 ERA thus far
  • Chicago leads the division by 1.5 games
  • Continue reading for my Brewers vs Cubs predictions and picks

The Chicago Cubs (29-17) welcome the Milwaukee Brewers (26-17) to Wrigley Field on May 18, 2026, to open their divisional series. First pitch for Game 1 is scheduled for 7:40 PM EST. The broadcast will be available on local networks. Chicago enters as the home favorite, looking to bounce back after dropping a series to the White Sox. Similarly, Milwaukee aims to rebound from a tight 5-4 defeat to the Minnesota Twins.

Early leaders in the division, the Cubs sit at -145 in 2026 NL Central odds. The Brewers are second place both in in the odds (+280) and in the standings.

I will break down the pitching duel, evaluate offensive trends, and analyze underlying metrics to uncover the sharpest betting angles.

Chicago Cubs vs Milwaukee Brewers Picks & Predictions

When evaluating this divisional showdown, the most glaring edge comes directly from the starting pitching matchup. Shota Imanaga boasts a 2.32 ERA, a 0.90 WHIP, and 1.4 bWAR over 54.1 innings for Chicago. The Brewers hand the ball to Brandon Sproat, who struggles with a 5.75 ERA and an inflated 1.53 WHIP across 36.0 innings.

As much as I support backing Imanaga and the Cubs here, Imanaga does have a flyball problem that can be exacerbated at home when the wind is blowing out (like it is tonight). Through three seasons, Imanaga has a 1.5 HR/9 rate, well above the MLB average.

While the Brewers won’t fool anyone into thinking they are watching a home run derby, every extra run matters. Jake Bauers and Brice Turang lead the Brewers with six home runs each.

  • Shota Imanaga Over 5.5 Strikeouts (+125, Fanatics)

Imanaga has been an excellent strikeout pitcher in 2026. He has a 28.0% strikeout rate (82nd percentile) with a 91st-percentile whiff rate and 99th-percentile chase rate. He will need all of the strikeouts tonight to keep the ball in the ballpark.

  • Jackson Chourio Over 1.5 Total Bases (-111, DraftKings)

Jackson Chourio has slashed .306/.346/.469 in his 11 games since returning from the IL. Chourio has five doubles and a home run in that span, hitting for multiple total bases in four of 11 games. He is 1-for-5 in his career against Imanaga.

Shota Imanaga vs Brandon Sproat

StatisticShota Imanaga (CHC)Brandon Sproat (MIL)
Win-Loss Record4-31-2
ERA2.325.75
WHIP0.901.53
FIP / xFIP2.84 / 3.245.73 / 4.45
K/99.779.0
BB/92.155.00
Opponent BA.183.267
IP per Start6.044.78

Imanaga suppresses contact and keeps runners off the basepaths with a 2.84 FIP and .183 opponent batting average. Sproat’s 4.45 xFIP suggests slight positive regression, but his inability to command the strike zone remains a glaring issue. Sproat is in the 15th percentile for walk rate.

Imanaga provides consistent length, averaging 6.04 innings per start with 9.77 strikeouts per nine innings. Sproat yields 5.00 walks per nine innings with a 1.53 WHIP. Consequently, he averages just 4.78 innings per start, forcing Milwaukee to lean heavily on its bullpen.

Team Statistical Comparison

StatisticChicago (Home / Overall)Milwaukee (Away / Overall)
Win-Loss Record29-18 [T-3rd]26-18 [7th]
Runs per Game5.39 [4th]4.40 [14th]
Batting Average (AVG).263 [T-5th].239 [11th]
OPS.793 [2nd].671 [22nd]
Stolen Bases per Game0.61 [T-16th]1.20 [3rd]
Average Exit Velocity88.9 mph [11th]87.4 mph [26th]
Runs Allowed per Game4.23 [12th]3.57 [3rd]

At home, Chicago boasts the second-best OPS in baseball (.793) and consistently hits the ball hard with an 88.9 mph average exit velocity. By contrast, Milwaukee struggles to generate power on the road, recording a sluggish .671 away OPS and 87.4 mph average exit velocity.

Milwaukee holds a distinct statistical advantage on the basepaths, averaging 1.20 stolen bases per away game. If they manufacture baserunners, they have the speed to create chaos. However, facing a lineup prone to soft contact on the road, Imanaga is perfectly positioned to dominate tonight.

Milwaukee Brewers vs Chicago Cubs Odds

Bet TypeMilwaukee BrewersChicago Cubs
Moneyline+140-165
Runline+1.5 (-130)-1.5 (+110)
Total RunsOver 10.5 (-110)Under 10.5 (-110)

Chicago enters this divisional clash as decisive home favorites, priced at -165 on the moneyline. This heavily favors their massive pitching advantage. Milwaukee finds itself in the underdog role at +140, though they are favored to keep the game within two runs, as evidenced by the -130 juice on their +1.5 runline.

The total sits remarkably high at 10.5 runs. Oddsmakers anticipate plenty of offense despite the elite pitching profile of Chicago’s starter. Both the opening spread and total have remained stagnant since their initial release. The runline opened at Chicago -1.5 (+110) and the total opened at an identical 10.5 runs.

Odds as of May 18, 2026, at 4:00 PM EST from Caesars.

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The lack of line movement indicates that early sharp action largely agrees with the initial pricing. Furthermore, Chicago holds a 70.4% (19-8) win percentage as a favorite this season. Conversely, Milwaukee boasts a perfect 100.0% (2-0) win percentage as an underdog over their last 10 games, presenting an interesting trend clash.

Milwaukee Brewers vs Chicago Cubs Public Betting Splits

When analyzing how the market attacks this clash, MLB public betting splits provide valuable insight. In the moneyline market, 77.8% of tickets back Chicago to secure the home victory. More importantly, 66.5% of the total money wagered also sits on their side. Because both percentages lean heavily toward the favorite, this does not qualify as a sharp vs public divide.

Instead, it indicates a strong consensus that the starting pitching advantage is simply too glaring to ignore. Looking at the total runs market, 61.6% of tickets back the Over. Evaluating the more valuable metric of money percentage, 56.2% of the overall handle also supports the Over.

While the ticket count crosses the 60% threshold, the money percentage falling just short means there is no clear sharp vs public narrative here either. The overall consensus backs the bats in this matchup, mirroring my earlier assessment that leaning toward the Over makes analytical sense.

Chicago Cubs vs Milwaukee Brewers Injury Report

TeamPlayer NamePositionInjuryStatus
BrewersChristian YelichDHBackQuestionable
BrewersBrandon WoodruffSPArm15-Day IL
BrewersBrandon LockridgeLFKnee10-Day IL
BrewersAkil BaddooLFQuadriceps60-Day IL
CubsJustin SteeleSPElbow60-Day IL
CubsMatthew BoydSPKnee15-Day IL
CubsJordan WicksSPForearm15-Day IL
CubsTyler Austin1BKnee60-Day IL

The most glaring storyline belongs to Yelich. Dealing with a tightened back that already forced him to miss time against Minnesota, his status is highly questionable. He remains one of the few bright spots generating power for his club. He is in the lineup batting fourth, but he is compromised.

This further cements my sharp betting angle of backing Imanaga to carve through a diminished order. On the pitching side, the injury report perfectly explains the lopsided starting pitcher matchup. Milwaukee lacks rotational depth with Brandon Woodruff sidelined, forcing Sproat into action.

Meanwhile, Chicago deals with extensive starting pitching injuries of their own. Justin Steele, Matthew Boyd, and Jordan Wicks are all sidelined. Because their pitching staff is top-heavy, manager Craig Counsell desperately needs his ace to provide length. This aligns directly with my strategy to target the over on pitcher strikeouts.

Ryan Potts

Ryan Potts is a veteran football and baseball content creator. He was previously a credentialed NFL media member, covering the draft, combine, and Super Bowl. He has been featured on Atlanta sports talk radio and Arizona student radio. Ryan is a journalism graduate from the University of Arizona.

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