Ever notice how some people seem to win big on the weekend while you’re left nursing another busted parlay? It’s not luck, it’s a pattern. And at WagerLens, we’ve been tracking one that’s quietly printing money all season.

The Trend: Sunday Underdog Run Lines

Turns out, Sunday underdogs have been crushing the run line in 2025, with a 60.9% win rate generating over 59 units. And no, this isn’t a small sample fluke, it’s backed by sharp data and mispriced markets.

Here’s why Sundays are different:

• Key players rest. It’s getaway day, and managers rotate lineups—especially favorites.

• The public still bets favorites. Casuals don’t account for lineup drops or bullpen fatigue.

• Underdogs fight harder. Late-series desperation and motivation give them extra juice.

• Bullpens get shaky. Top arms are usually burned out by Sunday.

Teams That Thrive on Sundays

Three squads are especially worth watching:

• Mets: Better Sunday ERA and more run production = double-digit ROI in Sunday dog spots.

• Royals: 8–3 as road Sunday dogs. Don’t let their overall record fool you.

• Blue Jays: 7–2 run line record as Sunday underdogs. Power bats feast on tired arms.

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Bonus Edge: Series Finales

Look for road dogs between +101 and +190 in final games of a series—even better if it’s on a Sunday. That’s been a +12.1% ROI angle over the last 3 seasons.

How to Bet This Weekly

Use this cheat code every Sunday:

1. ✅ Filter for Sunday games

2. 🐶 Find underdogs (+100 to +190)

3. 📉 Fade public hype (especially nationally televised games)

4. 🧹 Check for sweep/series finale spots

5. 📊 Focus on run line (+1.5) for higher win % and ROI

Ready to Stop Guessing and Start Hitting?

The market still hasn’t caught up. Every Sunday, this edge is wide open. We break it all down (plus give you team filters and matchup tips) in this week’s full blog post.

👉 Read the full breakdown to see how we’re doing it, and how you can, too.

As always, bet responsibly and let’s make some money!

— The WagerLens Team