MLB Picks Today: Predictions & Best Bets for August 31, 2026 | SharpSide

A 12-game MLB slate takes the field today, Monday. SharpSide's model has identified significant divergences from market consensus, particularly in three matchups: Philadelphia Phillies at Arizona Diamondbacks, Detroit Tigers at Minnesota Twins, and San Francisco Giants at Atlanta Braves. The largest single run-edge of the day comes in the Phillies-Diamondbacks game, where our model is 1.9 runs more favorable to the Arizona Diamondbacks than the market. This brief refreshes at 11:30 am Eastern based on new analytics, weather factors, pitching changes, and line movement, so the featured matchups may update. Today's Best Bet is highlighted immediately after this lede.

Today's Best Bet: San Diego Padres ML

This is SharpSide's highest-confidence pick for Monday's slate. Our model projects the San Diego Padres to defeat the Cincinnati Reds by a moderate 1.0 runs, with a final score of 4.9–3.9. This projection is largely in line with the market's implied margin, indicating a conviction play rather than a significant edge play against consensus. We see the Padres as the most reliable outcome of the day, with the price representing a favorable entry point given the projected margin. Best Bet: San Diego Padres ML (-146)

Philadelphia Phillies @ Arizona Diamondbacks

The market anticipates the Philadelphia Phillies winning this opener with a 4.7–3.8 score, but our model projects a 3.8–4.8 victory for the Arizona Diamondbacks, representing a 1.9-run shift toward the Diamondbacks compared to consensus. Philadelphia sends Aaron Nola to the mound, who carries a 4.90 FIP and an elevated 2.01 HR/9, indicating he has allowed a high rate of home runs. Facing him is Brandon Pfaadt for Arizona, with a superior 4.08 FIP and a strong 1.03 HR/9, suggesting better contact suppression and home run prevention. Pfaadt's 0.299 xwOBA-against is also notably lower than Nola's 0.315, pointing to weaker contact allowed. The Phillies' bullpen, with a 4.25 season relief ERA (league average 4.10) and a fatigue index of 0.08, contributes a +0.17 run nudge to the Diamondbacks' projected runs, while Arizona's bullpen is closer to average at 4.15. Both teams have been unlucky on balls in play, with the model regressing the Phillies' offense up by +0.06 runs and the Diamondbacks' by a more substantial +0.13 runs. This series opener in Arizona has no notable park or weather conditions impacting play. The Phillies enter with strong recent form, 8-2 in their last 10, having won their last game scoring 5 runs. The Diamondbacks are 6-4 in their last 10, losing their last game while scoring 2 runs. How the model decided: The biggest factor favoring Arizona Diamondbacks is Philadelphia Phillies's vulnerable 4.25 bullpen ERA, which is worse than the roughly 4.10 league average and improves Arizona Diamondbacks's scoring outlook. Lean: Arizona Diamondbacks ML (+105)

Detroit Tigers @ Minnesota Twins

This game presents another significant divergence, with the market favoring the Minnesota Twins 4.7–3.8, but SharpSide's model projecting the Detroit Tigers to win 4.4–4.2. This marks a 1.1-run swing in favor of the Tigers compared to the market. Detroit starts Jackson Jobe, who has a 4.67 FIP in a small 18.3 IP sample this season, along with a 0.98 HR/9, indicating good home run suppression. His counterpart, Taj Bradley for Minnesota, holds a 3.90 FIP and a 10.32 K/9 over 147.3 IP, showcasing better strikeout ability and overall effectiveness. However, Jobe's short average workload of 4.58 IP per start exposes the Tigers' bullpen earlier, though their 3.82 season relief ERA is above average and causes a -0.17 run nudge against the Twins' projected runs. The Twins' bullpen is below average at 4.86, further impacting their outlook. Minnesota is also missing core hitter Byron Buxton, which the model docks roughly 0.18 runs from their projection. Both offenses have been unlucky on balls in play, with the model regressing Detroit's offense up by +0.09 runs and Minnesota's by +0.04 runs. This series opener is free of significant park or weather factors. The Tigers enter this game in struggling recent form, standing 2-8 in their last 10, while the Twins are struggling at 3-7 over the same span. How the model decided: The biggest factor favoring Detroit Tigers is Minnesota Twins's vulnerable 4.86 bullpen ERA, which is worse than the roughly 4.10 league average and improves Detroit Tigers's scoring outlook. Lean: Detroit Tigers ML (+106)

San Francisco Giants @ Atlanta Braves

The market heavily favors the Atlanta Braves in this standalone matchup, projecting a 4.5–3.6 win, while our model projects the San Francisco Giants to take it 4.4–4.2. This represents a 1.1-run difference in favor of the Giants compared to consensus. Anthony Molina, a confirmed traditional starter with a tiny 9.3 IP sample this season (2.89 ERA, 4.48 FIP), gets the start for San Francisco. He faces his former organization, Atlanta, today, and is expected to pitch around 5.0 IP. Atlanta counters with Bryce Elder, who has a 4.45 FIP and a 1.38 HR/9 over 143.7 IP, indicating an elevated FIP and a tendency to allow home runs. The Giants' bullpen holds a 4.27 season relief ERA, slightly worse than league average, and contributes a +0.16 run nudge to the Braves' projected runs. Conversely, the Braves' bullpen is excellent with a 3.39 ERA and provides a significant -0.45 run nudge to the Giants' projected runs. No notable park or weather conditions are expected. The Giants are 4-6 in their last 10, having won their last game scoring 7 runs. The Braves are strong at 8-2 in their last 10, winning their last game with 3 runs. How the model decided: The biggest factor favoring San Francisco Giants is the opposing starter's 4.45 FIP, a worse-than-average mark that raises San Francisco Giants's scoring outlook. Lean: San Francisco Giants ML (+169)

First Five Innings: Milwaukee Brewers @ Chicago Cubs (F5 UNDER)

In the Milwaukee Brewers at Chicago Cubs matchup, our Bayesian starter model forecasts a low-scoring first five innings. Brewers starter Kyle Harrison brings a blended 2.99 F5-only ERA, reflecting consistent early-game performance. Cubs starter Clay Holmes is even stronger with a blended 2.55 F5-only ERA. Our model's F5 total for this game is a projected 2.69 runs, substantially lower than the market-implied 4.94 runs. This significant 2.25-run edge toward the under is further supported by offensive regressions: the Brewers have been lucky on balls in play, leading to a -0.32 run regression in our model, while the Cubs have been slightly lucky, resulting in a -0.05 run regression. The neutral park factor for this game does not influence run scoring in either direction. Lean: F5 UNDER 4.5 total

Batter Prop: Matt Olson Over 1.5 Total Bases

Market movement indicates sharp action on Matt Olson to go Over 1.5 Total Bases in the San Francisco Giants at Atlanta Braves game. The price on this market has shifted from +119 to -101, a 4.6 probability-point move toward the Over since opening. This aggressive cross-book consensus movement is a historical indicator of smart money targeting value, suggesting Olson is primed for a strong offensive performance today. Lean: Matt Olson Over 1.5 Total Bases (-101)

How the model decided

Today's largest divergences from market consensus were primarily driven by pitcher peripherals, offensive BABIP regression, and bullpen effectiveness. In the Phillies-Diamondbacks game, the superior underlying metrics of Brandon Pfaadt and the Phillies' bullpen struggles were key factors. For the Tigers-Twins matchup, the Tigers' strong bullpen and the Twins' missing core bat significantly influenced the projection. The Giants-Braves game saw value emerge from the market's perceived strength of the Braves, contrasted with Bryce Elder's elevated FIP and HR/9. The model also considered advanced Sabermetric data, systems trends, and other analytics.

How to read this

This analysis reflects SharpSide's model's view of today's MLB slate compared to the market consensus. It is provided for informational purposes only and is not financial advice.

Projections update after publish. This brief is locked in at the 11:30 am ET refresh, but the model keeps recalculating all day as lineups are posted, weather shifts, pitching changes are announced, and lines move — a side or total highlighted here can flip before first pitch. Always confirm the current number on the live projections page (which locks 30 minutes before each game's first pitch) before placing a bet.