**SAN FRANCISCO** — The **Arizona Diamondbacks** and **San Francisco Giants** clash tonight in a **critical NL West showdown**, with both teams fighting to gain ground in a tight divisional race. Here’s your complete betting guide, including **odds, pitching matchups, and expert picks**.  

 **📊 Game Info & Betting Lines**  

📍 **Venue**: Oracle Park (San Francisco, CA)  

⏰ **First Pitch**: 6:45 PM PT / 9:45 PM ET  

📺 **TV**: MLB Network, NBC Sports Bay Area  

💰 **Moneyline**: ARI (+120) | SF (-140)  

⚾ **Run Line**: Diamondbacks +1.5 (-165) | Giants -1.5 (+140)  

🔢 **Over/Under**: 8 runs (Over -110 | Under -110)  

 **🔥 Pitching Matchup**  

✅ **Diamondbacks**: **Zac Gallen** (3-2, 3.38 ERA)  

   - Dominant in May (1.89 ERA last 3 starts)  

   - Struggles vs SF (4.50 ERA in 2023)  

✅ **Giants**: **Logan Webb** (3-3, 3.50 ERA)  

   - Elite command (1.05 WHIP)  

   - 2.20 ERA at home this season  

**🔮 Prediction & Best Bet**  

📌 **Giants ML (-140)** – Webb’s home dominance & SF’s bullpen edge  

📌 **Under 8 Runs (-110)** – Gallen & Webb duel keeps scoring low  

📌 **Prop Bet**: **Webb Over 5.5 Strikeouts (-125)**  

**⚡ Key Trends**  

✔ **Giants are 7-3 in last 10 vs Diamondbacks**  

✔ **UNDER hit in 8 of last 12 meetings at Oracle Park**  

✔ **Arizona’s bullpen ranks 24th in ERA (4.62)**  

 **📌 Where to Watch & Bet**  

🔗 **[Live Stats (MLB Gameday)](https://www.mlb.com/gameday) 

🔗 **[Giants-Dbacks Betting Trends (FOX Sports)](https://www.foxsports.com/mlb/odds)

🔗 **[Zac Gallen vs Giants Breakdown (Baseball Savant)](https://baseballsavant.mlb.com)

*Diamondbacks vs Giants prediction, MLB picks May 13, Zac Gallen vs Logan Webb odds, best bets today, under 8 runs analysis, SF Giants moneyline*💰  

*Disclaimer: Betting involves risk. Gamble responsibly.*