Leo daily card
MLB Picks | Monday, August 31, 2026
One authoritative page for every official pick, research setup, and pass. Each decision includes the model probability, matchup evidence, risk, and author.
GAMES
12
OFFICIAL PICKS
6
across all markets
VALUE WATCH
0
WATCHLIST
0
PASSES
11
Updated Aug 31, 9:23 PM EDT. Official picks are published before grading.
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Top Lab Rating
Official Pick
Seattle Mariners @ Boston Red Sox
Official markets
Moneyline: Boston Red Sox -159
Pitcher Ks: Payton Tolle Over 6.5 -154
- Leo side
- Boston Red Sox Money Line
- Lab Rating
- 8.3/10
- Model probability
- 69.5%
- Market probability
- 51.5%
- Model vs market
- +17.9%
- Current price
- -116
- Pitcher edge
- Boston Red Sox by 13 points
- Bullpen read
- Boston Red Sox carries the heavier bullpen workload, 7.9/10 versus 5.3/10, which adds late-game risk. Boston Red Sox has used 29.0 bullpen innings over the last 7 days with 5 back-to-back arms.
Why Leo made this decisionBoston Red Sox is an official moneyline pick because Leo gives it a 69.5% chance to win, compared with the market's 51.5% no-vig probability. The full setup earned a 8.3/10 Lab Rating. Boston Red Sox has the stronger starting pitcher matchup by 13 rating points. Boston Red Sox carries the higher-risk bullpen, 8.7/10 versus 5.3/10. Recent context: 29.0 relief innings over the last 7 days, 5 back-to-back arms. Boston Red Sox's pen has been below average lately (3.4/10 efficiency). Bullpen fatigue moved this probability down 20.4 points from 89.9% (starting pitcher and team strength only) to 69.5%. At -116, the price still offers enough value for the play to qualify as official.
Risk notePrimary caution: bullpen fatigue adds late-game caution; limited sportsbook sample. Recheck official news before first pitch.
Detroit Tigers @ Minnesota Twins
- Leo side
- Minnesota Twins Money Line
- Lab Rating
- 6.4/10
- Model probability
- 62.1%
- Market probability
- 48.1%
- Model vs market
- +14.0%
- Current price
- +104
- Pitcher edge
- Minnesota Twins by 9 points
- Bullpen read
- Minnesota Twins has the fresher bullpen, 4.1/10 versus 5.8/10. Detroit Tigers has used 20.7 bullpen innings over the last 7 days with 2 back-to-back arms.
Why Leo made this decisionThe combined Lab Rating did not clear the official threshold.
Pass reasonThe combined Lab Rating did not clear the official threshold.
San Diego Padres @ Cincinnati Reds
Official markets
Pitcher Ks: Michael King Over 5.5 -142
- Leo side
- San Diego Padres Money Line
- Lab Rating
- 6.0/10
- Model probability
- 71.7%
- Market probability
- 55.4%
- Model vs market
- +16.3%
- Current price
- -130
- Pitcher edge
- San Diego Padres by 15 points
- Bullpen read
- Bullpen workload is elevated but not decisive. San Diego Padres is 7.9/10 and Cincinnati Reds is 6.4/10.
Why Leo made this decisionThe combined Lab Rating did not clear the official threshold.
Pass reasonThe combined Lab Rating did not clear the official threshold.
New York Mets @ Tampa Bay Rays
Official markets
Pitcher Ks: Ian Seymour Under 6.5 -144
- Leo side
- Tampa Bay Rays Money Line
- Lab Rating
- 5.8/10
- Model probability
- 73.1%
- Market probability
- 54.2%
- Model vs market
- +18.9%
- Current price
- -124
- Pitcher edge
- Tampa Bay Rays by 41 points
- Bullpen read
- Bullpen workload is elevated but not decisive. Tampa Bay Rays is 7.1/10 and New York Mets is 6.0/10.
Why Leo made this decisionThe combined Lab Rating did not clear the official threshold.
Pass reasonThe combined Lab Rating did not clear the official threshold.
Milwaukee Brewers @ Chicago Cubs
Official markets
Pitcher Ks: Kyle Harrison Under 5.5 -144
- Leo side
- Milwaukee Brewers Money Line
- Lab Rating
- 4.9/10
- Model probability
- 55.3%
- Market probability
- 46.6%
- Model vs market
- +8.7%
- Current price
- +109
- Pitcher edge
- No clear SP edge by 3 points
- Bullpen read
- Bullpen workload is elevated but not decisive. Milwaukee Brewers is 6.7/10 and Chicago Cubs is 5.7/10.
Why Leo made this decisionThe combined Lab Rating did not clear the official threshold.
Pass reasonThe combined Lab Rating did not clear the official threshold.
Athletics @ Texas Rangers
- Leo side
- Texas Rangers Money Line
- Lab Rating
- 4.9/10
- Model probability
- 68.2%
- Market probability
- 62.6%
- Model vs market
- +5.6%
- Current price
- -175
- Pitcher edge
- Texas Rangers by 13 points
- Bullpen read
- Bullpen workload is elevated but not decisive. Texas Rangers is 6.9/10 and Athletics is 7.0/10.
Why Leo made this decisionThe combined Lab Rating did not clear the official threshold.
Pass reasonThe combined Lab Rating did not clear the official threshold.
San Francisco Giants @ Atlanta Braves
- Leo side
- San Francisco Giants Money Line
- Lab Rating
- 4.7/10
- Model probability
- 50.2%
- Market probability
- 35.0%
- Model vs market
- +15.1%
- Current price
- +190
- Pitcher edge
- San Francisco Giants by 5 points
- Bullpen read
- San Francisco Giants carries the heavier bullpen workload, 7.1/10 versus 5.3/10, which adds late-game risk. San Francisco Giants has used 33.7 bullpen innings over the last 7 days with 4 back-to-back arms.
Why Leo made this decisionThis is a bullpen game -- no confirmed traditional starter, so Leo does not publish an official pick here.
Pass reasonThis is a bullpen game -- no confirmed traditional starter, so Leo does not publish an official pick here.
Miami Marlins @ Washington Nationals
- Leo side
- Washington Nationals Money Line
- Lab Rating
- 4.7/10
- Model probability
- 61.8%
- Market probability
- 48.8%
- Model vs market
- +13.0%
- Current price
- +104
- Pitcher edge
- Washington Nationals by 8 points
- Bullpen read
- Bullpen workload is elevated but not decisive. Washington Nationals is 7.7/10 and Miami Marlins is 7.6/10.
Why Leo made this decisionBullpen game impact
Washington Nationals is using a bullpen game. Will Dion is expected to cover about 3.0 innings, leaving roughly 6.0 innings to the bullpen. The pen carries 8.8/10 risk with 2.8/10 recent efficiency. Because this is Leo's side, bullpen quality is central to the pick. The bullpen efficiency comparison is 2.8/10 for Washington Nationals versus 5.2/10 for Miami Marlins.
This is a bullpen game -- no confirmed traditional starter, so Leo does not publish an official pick here.
Washington Nationals is using a bullpen game. Will Dion is expected to cover about 3.0 innings, leaving roughly 6.0 innings to the bullpen. The pen carries 8.8/10 risk with 2.8/10 recent efficiency. Because this is Leo's side, bullpen quality is central to the pick. The bullpen efficiency comparison is 2.8/10 for Washington Nationals versus 5.2/10 for Miami Marlins.
This is a bullpen game -- no confirmed traditional starter, so Leo does not publish an official pick here.
Pass reasonThis is a bullpen game -- no confirmed traditional starter, so Leo does not publish an official pick here.
Philadelphia Phillies @ Arizona Diamondbacks
- Leo side
- Arizona Diamondbacks Money Line
- Lab Rating
- 4.7/10
- Model probability
- 69.8%
- Market probability
- 44.4%
- Model vs market
- +25.3%
- Current price
- +118
- Pitcher edge
- Arizona Diamondbacks by 14 points
- Bullpen read
- Arizona Diamondbacks carries the heavier bullpen workload, 7.3/10 versus 5.0/10, which adds late-game risk. Arizona Diamondbacks has used 22.0 bullpen innings over the last 7 days with 6 back-to-back arms.
Why Leo made this decisionThe combined Lab Rating did not clear the official threshold.
Pass reasonThe combined Lab Rating did not clear the official threshold.
Chicago White Sox @ Houston Astros
Official markets
Pitcher Ks: Anthony Kay Over 3.5 -156
- Leo side
- Houston Astros Money Line
- Lab Rating
- 3.9/10
- Model probability
- 59.4%
- Market probability
- 55.1%
- Model vs market
- +4.3%
- Current price
- -126
- Pitcher edge
- Houston Astros by 6 points
- Bullpen read
- Bullpen workload is elevated but not decisive. Houston Astros is 7.4/10 and Chicago White Sox is 8.9/10.
Why Leo made this decisionThe combined Lab Rating did not clear the official threshold.
Pass reasonThe combined Lab Rating did not clear the official threshold.
New York Yankees @ Los Angeles Angels
- Leo side
- Los Angeles Angels Money Line
- Lab Rating
- 3.6/10
- Model probability
- 71.3%
- Market probability
- 38.1%
- Model vs market
- +33.2%
- Current price
- +158
- Pitcher edge
- Los Angeles Angels by 23 points
- Bullpen read
- Bullpen workload is elevated but not decisive. Los Angeles Angels is 6.1/10 and New York Yankees is 7.5/10.
Why Leo made this decisionThe combined Lab Rating did not clear the official threshold.
Pass reasonThe combined Lab Rating did not clear the official threshold.
Baltimore Orioles @ Colorado Rockies
- Leo side
- Baltimore Orioles Money Line
- Lab Rating
- 3.2/10
- Model probability
- 58.9%
- Market probability
- 56.3%
- Model vs market
- +2.6%
- Current price
- -141
- Pitcher edge
- No clear SP edge by 1 points
- Bullpen read
- Bullpen workload is elevated but not decisive. Baltimore Orioles is 7.4/10 and Colorado Rockies is 7.1/10.
Why Leo made this decisionThe combined Lab Rating did not clear the official threshold.
Pass reasonThe combined Lab Rating did not clear the official threshold.
Model outputs, not promises. Leo provides analysis and education only, not betting advice. Every official pick is graded on the Results page.