That M's Loss Stings, But THESE 10 Sleepers Are About to EXPLODE for Week 15

Ugh. Seriously, M's? Losing to Cleveland 6-5? That one hurts, man. We were right there. It's tough watching our boys fight hard only to come up short. But hey, even when the real diamond gives us a gut punch, we gotta find wins somewhere. And for a lot of us, that means diving deep into fantasy baseball. This week, we've got some absolute sleepers that are about to go off, and if you're looking for a hot hand to save your season, you NEED to hear about these dudes for the scoring period from June 29 through July 5.

Powering Up: Goldschmidt and Swanson On Fire

First up, can we talk about Paul Goldschmidt? The dude is 38, and he's still crushing it. He's been the most under-rostered hitter in fantasy for weeks, and honestly, that's just wild. The guy hit .323, going 30-for-93, with EIGHT homers in June alone! He's got some decent matchups coming, especially when he gets to tee off against the Twins' pitching staff. If he's somehow still chilling on your waiver wire, what are you even waiting for? Grab him, like, yesterday.

Trade on Every Game with Kalshi

Click Here to sign up to Kalshi — Free $10 when you sign up using our link or use code: ONTAPSEA. The only federally regulated prediction market in the US. Trade on real sports outcomes. Available in all 50 states.

Then there's Dansby Swanson. Our boy finished Week 14 on a bit of a low, sure, but remember that absolute BOMB series he had against the Mets? Three homers and FIFTEEN RBI in that stretch! His struggles this year? More like underachievement, not a decline. Now he's showing signs of life again, and he's got the third-best hitter matchups this week. This is exactly the kind of guy who can turn your fantasy fortunes around when you least expect it.

Coors Field Chaos and Rookie Sensations

Speaking of turning things around, you know what helps hitters go absolutely nuclear? Coors Field. The Rockies have a full seven-game home slate this week for the first time all year, and their lineup is set to feast. TJ Rumfield? He's batting .302 with a .929 OPS against righties, and with six right-handers on the schedule, he's primed to explode.

And Cole Carrigg, man, this kid is a *natural* in Colorado. He's hitting .346 (9-for-26) with a 1.053 OPS at home, compared to .200 (6-for-30) and a .766 OPS on the road. Expect extra-base hits galore from him. Jake McCarthy is another Coors beneficiary, batting .315 with a .903 OPS in that thin air and all six of his homers coming against righties. Willi Castro? He's been white-hot, hitting .314 (38-for-121) with four homers and three steals. These Rockies bats are legit waiver wire gold.

But don't sleep on Sam Antonacci, either. This White Sox rookie is criminally undervalued. He's batting .308 (57-for-185) with three homers and 11 steals in his last 52 games, reaching base at over a .400 clip, and averaging 2.92 Head-to-Head points per game. That's efficiency, people!

So yeah, that Mariners loss stings, but let's not let it ruin our whole week. We've still got plenty of baseball to obsess over, and if you snagged one of these guys, your fantasy team could be looking real good. The M's will bounce back, they always do. We'll be back cheering them on for their next game. But until then, let's go win some fantasy matchups! Who are you grabbing?

This article was created with AI assistance and reviewed by Seattle On Tap editorial staff. Always verify information with official team sources.