Another high-edge MLB pick today, Sunday, May 17, 2026, is Brendan Donovan Under 0.5 Runs Scored (SD @ SEA, 7:21 PM ET). PropsBot’s AI rates the pick at 66.4% Confidence with a 0.0% Edge Score, meaning the modeled probability sits 8.1 points above the market-implied probability on a Confidence Gap read. Best available price: BetMGM -140.
Below is the full breakdown — Confidence Score, Edge Score, sportsbook odds comparison, and historical hit rate data — so you can make a data-backed decision before the 7:21 PM ET first pitch.
| Window | Hit Rate | Sportsbook | Line | Odds |
|---|---|---|---|---|
| L5 / L10 / L20 | 20% / 30% / 25% | BetMGM | 0.5 Runs | -140 |
| Season | 32% | BetMGM | 0.5 Runs | -140 |
| H2H vs SD | 30% | BetMGM | 0.5 Runs | -140 |
Is Brendan Donovan a good Under 0.5 Runs Scored bet vs Lucas Giolito on May 17?

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Why Brendan Donovan Under 0.5 Runs Scored vs Lucas Giolito?
Donovan is the SEA leadoff but he draws Lucas Giolito (R), and Giolito’s 1.29 WHIP holds runners off base in front of him. Donovan’s OBP of .386 is real — he’s a tough out — but the 0.36 R/G says the line behind him isn’t bringing him around. SEA’s team OPS of .657 is the second-lowest mark among playoff-contention rosters.
Historical Performance at 0.5 Runs Scored
L5 shows 20% Over hit rate, L10 30%, L20 25%, H2H vs Giolito 30%, SZN 32% — i.e. Donovan has been Under in 80% of his L5, 70% of L10, 75% of L20, 68% on the season. H2H vs Giolito small sample but consistent. The pattern: he walks, he singles, he gets stranded. The model’s +8.1% Confidence Gap layers Giolito’s 1.29 WHIP and SEA’s .657 team OPS on top of the streak.
Matchup Context: SD @ SEA
SD @ SEA with a 7.5 total and SEA implied for 3.0 runs — that’s a pitchers’ game. Giolito and the SD bullpen line up for a low-scoring 7-8 innings, and the SEA lineup behind Donovan has slugged .452 against righties this season (his individual SLG is fine; the surrounding bats are not). When the team scores 3, the leadoff hitter scoring once is roughly a coin flip — and Donovan’s been on the wrong side of that coin all year.
Best Line Available
BetMGM is up at -140 (implied 58%). Model has it at 66.4%. Confidence Gap +8.1%. The Edge Score reads 0.0% — same caveat as Barrosa, the market doesn’t have a clean no-vig comp, so Confidence Gap is the operative metric. Two-book check: Bovada and DraftKings are within a cent.
How PropsBot Grades MLB Runs Picks
PropsBot grades every pick from MLB.com the morning after the game. Donovan’s Under 0.5 hits if he stays off the basepaths or gets stranded; loses if he scores. Outcome posts here within 12 hours. Per-pick history is published at Performance Methodology.
How PropsBot Models MLB Runs Scored Props
Multiple AI models trained on pitcher-batter matchup data, ballpark factors, weather conditions, platoon splits, and real-time lineup confirmations score the prop, then their consensus is summarized into a single Confidence Score and an Edge Score — full methodology at /performance-methodology/.
More MLB Player Props — May 17, 2026
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Glossary — key terms in this pick
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Sources & Verification
- Career stats: Brendan Donovan on MLB.com
- Advanced metrics: Statcast leaderboard
- Game info: SD at SEA on May 17, 2026
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PropsBot is a research and analytics tool — not a picks service. Picks reflect AI model output as of May 17, 2026 and may be updated; see our Corrections Policy for how we handle changes after publication. Odds are subject to change.
Today’s Other AI Picks — May 17, 2026
- Jorge Barrosa Under 0.5 Runs Scored (MLB)
- Paul Skenes Over 6.5 Strikeouts (MLB)
- Grant Holmes Over 1.5 Walks (MLB)
- José Ramírez Over 1.5 Hits + Runs + RBIs (MLB)
- Hunter Goodman Over 1.5 Hits + Runs + RBIs (MLB)
See every PropsBot MLB daily pick (newest first): /category/mlb-picks/