3 Daily Fantasy Baseball Stacks for 4/6/21

Stacks are the backbone of cashing daily fantasy baseball lineups. Correlation drives upside, creating the potential to place high or even win GPPs when your selected stacks explode offensively.

This column will do the digging and the dirty work to determine which stacks are worth rostering each day. Scoring upside will fuel the stacks that get the nod. Sometimes that will lead to chalky selections, but contrarian stacks will get their fair share of love too.

In addition to utilizing the touted daily stacks in handbuilt lineups, numberFire premium members can throw these highlighted stacks into an optimized lineup using our DFS Sharpstack tool. Our hitting heat map tool is also available to premium members looking for more stacking options. It provides valuable info such as implied total, park factors, and stats for identifying the quality of the opposing pitcher.

Let's take a look at the top stacks on today's main slate.

New York Mets

The New York Mets can mash right-handed pitching, and they're facing a bad one tonight. Speaking to their ability to hammer righties, the Mets ranked third in weighted runs created plus (wRC+) with a 125 wRC+ and seventh in isolated power (.195 ISO) against righties last year, per FanGraphs. The lineup returns all of the integral righty-mashers, and it gets a shot in the arm at shortstop with the addition of Francisco Lindor ($3,800).

Opposing righty Chase Anderson will have his hands full for the Philadelphia Phillies, and he appears ill-equipped to tame the Metropolitans. Anderson was hammered to the tune of a 7.22 ERA and 4.01 skill-interactive ERA (SIERA) in 33 and 2/3 innings pitched last season.

His biggest bugaboo was coughing up homers, yielding 2.94 homers per nine innings. The gopher ball issues aren't a recent development after allowing 1.71 homers per nine innings in 2018 and 1.49 homers per nine innings in 2019. The veteran righty's homer woes might be amplified at home tonight. Citizens Bank Park has the third-highest park factor for homers at 1.202, according to the three-year average used at FantasyPros.

The lineup's left-handed hitters will have their own platoon advantage despite Anderson actually being tougher on lefties than righties. Dominic Smith ($3,100) and Michael Conforto ($3,200) are my two favorite hitters in this stack, boasting a .260 ISO and 131 wRC+ and a .230 ISO and 135 wRC+ against right-handed pitchers since 2018, respectively. Switch-hitting Lindor's a stellar option, and ditto for Jeff McNeil ($2,700) and Brandon Nimmo ($2,900).

Don't be afraid to use righties Pete Alonso ($3,700) and J.D. Davis ($2,500), either. Anderson has been torched in same-handed matchups, coughing up a .547 slugging percentage and .373 weighted on-base average (wOBA) to 420 right-handed batters faced since 2019. The Mets lead the stacks off, and they're easily my favorite stack tonight.

Colorado Rockies

There's only one game with a double-digit total tonight at 10.5 runs, according to MLB odds. The Colorado Rockies are -120 favorites as well. They should hang a big number on the scoreboard tonight against Luke Weaver.

Weaver amassed a 2.94 ERA and 3.84 SIERA in a dozen starts spanning 64 and 1/3 innings in 2019. He promptly turned into a pumpkin last year, tallying a 6.58 ERA and 4.52 SIERA in a dozen starts totaling 52 innings. He's probably not as bad as he was last year, but his 2019 season looks like an outlier. Even at his best, Weaver's not the caliber of pitcher I expect to avoid a shellacking at Coors Field.

The thin air in Colorado fuels insanely hitter-friendly park factors at Coors Field. It sits atop the heap in park factor for runs (1.362), singles (1.230), and triples (2.177) while ranking second in homers (1.257) and doubles (1.345), according to FantasyPros. The park factors and pitching matchup are tantalizing.

The Rockies have more soft spots in their lineup than in previous years, but Trevor Story ($4,100), Charlie Blackmon ($3,900), and C.J. Cron ($4,000) are a formidable trio for stacking. Anyone else in the lineup is a defensible stacking option due to the park factors and facing Weaver, but Story, Blackmon, and Cron are the big-three pieces that should make up the stack's backbone.

Another hitter from the Rockies I will be waiting with bated breath, hoping to see in the lineup, is Sam Hilliard ($3,000). Hilliard has yet to start a game, but the left-handed-hitting outfielder showcased his massive power with a pinch-hit homer last Friday. In 152 plate appearances against righties since reaching the majors in 2019, he's ripped off a .319 ISO. If he's in the lineup, regardless of where he hits, make him the fourth man in a full stack with Story, Blackmon, and Cron.

Tampa Bay Rays

The Tampa Bay Rays have disappointed me a few times after suggesting them in this space. It's important to have a short memory in daily fantasy baseball, though. I'm going back to the well tonight. They're back at Fenway Park, meaning the hitters will be taking cuts in MLB's third-most hitter-friendly park with a park factor of 1.103 for runs. It also boosts doubles at the highest rate with a park factor of 1.404.

The pitching matchup is favorable as well. Martin Perez totaled a 4.50 ERA with a more ghastly 5.43 SIERA last year. He hasn't pitched below a 5.00 SIERA since 2015. How he's in a big-league rotation is beyond my comprehension. For his part, he's been decent against lefties. However, Perez has been bad against righties.

Perez has coughed up a .350 on-base percentage, .460 slugging percentage, and .344 wOBA to 804 right-handed batters faced since 2019. Attacking him with a stack of righties is a prudent move. Michael Brosseau ($2,100) stands out like a sore thumb as a great target. He's priced just $100 above the minimum salary, and in 120 plate appearances against lefties since reaching the majors in 2019, he's rattled off a .350 on-base percentage, .277 ISO, and 151 wRC+.

Last year's postseason superstar, Randy Arozarena ($3,300), is my second favorite inclusion in stacks. He showcased his exceptional power last year, and he has a track record of success against lefties in the minors that supports his small-sample-size success against them in the majors. Yandy Diaz ($2,600) and Manuel Margot ($2,800) are a couple more righties who are worthy of consideration.

Left-handed hitters Brandon Lowe ($3,000) and Austin Meadows ($3,700) don't have the platoon advantage, but both have hit at an above-average clip against southpaws with a 128 wRC+ and 112 wRC+ against southpaws since 2018, respectively. I'm not going out of my way to use them, but gamers who are multi-entering GPPs can consider mixing them in.