MLB
4 Daily Fantasy Baseball Stacks for 8/21/15
With Great American Ballpark's propensity for long balls, Paul Goldschmidt and the Diamondbacks present good upside tonight.

Each day here on numberFire, we'll be providing you with four potential offenses to stack in your daily fantasy lineups. These are the offenses that provide huge run potential on that given day based on matchups and other factors.

After reading through these suggestions, make sure to check out our daily projections. These can either let you know which players to include in each stack, or which guy best complements said stack.

Another great tool is our custom optimal lineups, which are available for premium subscribers. Within the tool, we've added the option to stack teams -- you choose the team you want to stack, show how many players you want to use within the stack, and the tool will create a lineup based on this that you can then customize.

Now, let's get to the stacks. As always, the Coors game between the Mets and the Rockies is not included as y'all know to have ownership at Coors. Here are the other teams you should be targeting in daily fantasy baseball today.

Arizona Diamondbacks

It's generally not a great idea to stack the Diamondbacks on the road, as they own a wRC+ of 95 against left-handed pitchers. Great American Ballpark, though, is a friend of the long ball, and David Holmberg is still trying to kick start his career. There's enough upside here with the Diamondbacks' bats.

It's been tough sledding for Holmberg so far in the big leagues. Over 53.1 innings from 2013 to this year, he has a 6.04 xFIP, and he has walked more batters than he has struck out. He's only 24, and he had success in lower levels of the minors, so he could turn it around. Right now, though, it's hard to stay off of a stack.

If you want to roll out the D'backs, you'll need to find some salary relief somewhere else. Welington Castillo and Yasmany Tomas both present that while bringing hard-hit rates of 52.6 and 39.4 percent respectively against left-handed pitching. You may still not be able to roster both Paul Goldschmidt and A.J. Pollock, but it does mean you won't have to skimp too much elsewhere.

Detroit Tigers

Now that Miguel Cabrera is back, this Detroit offense is fun again. And I mean really fun. They rank fifth in the league in wOBA against righties, and Colby Lewis strolls to the mound tonight. The fly balls should be plentiful.

Lewis enters this start with the sixth-lowest ground-ball rate among qualified pitchers this year at 35.1 percent. His low walk rate effectively keeps the baserunners against low, but he has allowed a .179 isolated slugging to lefties and .162 to righties, meaning there should be extra-base hits to compensate.

I have no idea what Nick Castellanos did over his All-Star break, but homie needs to hook a brotha up. He has lost his mind in the second half, slashing .247/.336/.526 with a 39.7 percent hard-hit rate. He's still striking out a ton, but he's also moving up higher in the lineup. This combines to give him increased relevancy in daily fantasy, and the salary relief he provides on FanDuel is much appreciated.

Baltimore Orioles

This feels like a very chalky stack, and I don't dig it as much as Vegas appears to (over/under of 8.5 and Orioles -170). That said, I do see it as being a safe cash-game stack, so I have no problem with rolling out the O's bats tonight.

Tommy Milone had some serious struggles at the beginning of the season, prompting his demotion to Triple-A. In the 11 starts since his return, he has a respectable (though not great) 3.89 xFIP as he has cut down on the nibbling and reduced his walk rate. That's why it's not a stack over which I'm jumping for joy, but his 6.64 strikeouts per nine should at least ensure you get some points out of the Baltimore offense.

Milone's xFIP this year is almost a full run higher against righties than it is lefties. For this reason, my lineups will be littered with Adam Jones shares, even if I don't end up with a full O's stack. Over the past two seasons, Jones has a .340/.390/.607 slash against left-handed pitchers with a 32.8 percent hard-hit rate. His price has sagged on FanDuel, and that's mighty fine with me right now.

Toronto Blue Jays

I'm very much on the fence about this one. I normally auto-stack the Blue Jays against a lefty, especially when that lefty has a 30.7 percent ground-ball rate. However, they're in a bad park, and Hector Santiago is just starting to look like a dude who will consistently outperform his peripheral numbers. I'm still on the Jays, but I want to proceed with caution.

Santiago's SIERA over the past four years has been 3.87, 4.27, 4.38 and 4.02 respectively. The ERA's associated with those same years have been 3.33, 3.56, 3.75 and 2.86. I'd just assume this has something to do with park factor, which should be enough to dissuade a stack as the game is in Los Angeles. I do want to stay on it, though, for a couple of key reasons.

The problem with the Blue Jays recently is that you won't find either low ownership or low prices. Today could be an exception with Santiago's excellent ERA and the park factor. I wouldn't recommend this one in a cash game as it could just be a mediocre output, but I do think it carries upside you don't normally see in the Blue Jays for tourneys.

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