Opening Day is here — and whether you’re a casual fan or a serious bettor, there’s no better time to start building your bankroll. With 2,400-plus MLB games each season, the opportunity to profit is massive. But if you’re not betting with an edge, you likely don’t understand how to bet on MLB. That’s where +EV betting strategy, bankroll management and Portfolio EV come in.
This MLB betting strategy guide will walk you through how to use expected value (+EV) betting to grow your bankroll and how Portfolio EV automates the process so you can start strong and scale fast.
Ditch the guesswork. Start making smarter, sharper +EV bets with a FREE TRIAL of Portfolio EV. Visit the Portfolio Betting page now!
MLB Betting Strategy Guide: +EV Bankroll Management & More
In simple terms, +EV (positive expected value) means you’re placing a bet where the odds are in your favor long-term.
If a sportsbook offers +120 odds on a bet that has a 50% chance of winning (true odds: +100), it’s +EV. Over time, consistently betting these edges leads to profit, even if variance causes short-term ups and downs.
Think of it like investing. You’re not trying to guess which single bet will “hit” — you’re stacking smart decisions that compound over time.
Why MLB Is Perfect for +EV Betting
MLB’s high volume of games makes it ideal for +EV bettors:
- 162 games per team = massive bet volume
- Daily action = steady opportunity to apply your edge
- Market inefficiencies = public bias on favorites/overs
- Statistical consistency = better data-driven modeling
More bets mean less variance and more predictable ROI when you’re betting with positive expected value.
How Portfolio EV Helps You Win
Portfolio EV is your +EV betting assistant. It scans all available sportsbook lines, calculates fair odds using sharp-market data and flags bets with an edge so you don’t have to manually line shop or crunch numbers.
Here’s what it does for you:
- Identifies +EV bets
- Auto-sizes each bet based on your bankroll
- Shops for best odds across your available books
- Saves time with a one-click Mass Entry Tool
- Updates live throughout the day
Step-by-Step: Build Your MLB Betting Portfolio
1. Set Your Bankroll
Start with any amount — $100, $500, whatever you’re comfortable risking. Enter it into Portfolio EV so it can optimize your bet sizes using a fractional Kelly formula.
Pro tip: Some users enter half their actual bankroll to get even smaller bet sizes and spread risk further.
2. Filter for MLB Bets
Inside the tool, select MLB to filter down to today’s available edges — moneylines, totals, player props and more. Sort by EV%, OS Rating or your favorite sportsbook.
Each bet includes:
- EV% – how profitable the bet is long term
- xWin% – expected win probability
- OS Rating – how strong the bet is overall
- Recommended bet size – how much of your bankroll to risk
3. Let the Tool Size Your Bets
No more guessing “how much should I bet?”
Portfolio EV recommends optimal bet sizing automatically. A 3% EV bet might get a 1.2% stake of your bankroll, while a higher-edge bet might get 2% to 3%. This keeps you aggressive on value while protecting your bankroll.
4. Use the Best Odds (Line Shopping Built-In)
Every bet is tagged with the sportsbook offering the best line. Line shopping is built in; there is no need to check every app manually.
Having multiple sportsbook accounts ensures you can grab these +EV bets before they move.
5. Use the Mass Entry Tool
Placing 10-plus bets daily manually is exhausting. With Mass Entry, you can select multiple bets and load them instantly into your bet slip at whichever sportsbooks you’re using.
Place dozens of bets in under a minute from desktop or mobile.
What a Day Looks Like
Let’s say it’s Opening Day. You log in and find:
- A total under with EV +4% at Caesars
- A +130 underdog with sharp value at DraftKings
- A strikeout prop under with EV +5% at BetMGM
You select eight bets total. Portfolio EV sizes each one, you use Mass Entry to fire them off and boom — you’ve built a diversified, data-backed betting portfolio for the day.
And then the next day, rinse and repeat — no guesswork, just smart, systematic betting.
Tips for Long-Term Success
- Trust the process – short-term variance happens. Long-term EV wins.
- Embrace volume – more +EV bets = smoother profits.
- Use multiple books – line shopping unlocks hidden edges.
- Avoid emotion – bet based on data, not bias.
- Track performance – use whatever bet tracking service you prefer to log your results.
Start the Season Strong
The MLB season is long, and that’s your advantage. Every game is a chance to find value. Every smart bet builds your bankroll.
If you’re ready to take the guesswork out of betting and start betting with an actual edge, there’s no better time than now.
Start your free trial of Portfolio EV today
