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Advanced MLB DFS: Stacking

We continue our breakdown of the basics for MLB DFS. In this section, we look at stacking, with definitions and some basic strategy.

St. Louis Cardinals v Oakland Athletics Photo by Jason O. Watson/Getty Images

If you have reached this level, you’ve likely been playing some form of fantasy baseball for a while now. We might think about fundamentals as applicable to beginners, but there are fundamentals even an expert level player can learn — or at least brush up on. For DFS, that means understanding how the WHIP statistic can help you build your lineups.



Stacking is a DFS strategy where you roster players from the same team together in your lineup. This strategy is used across sports, with each sport utilizing the method in its own way. For baseball, the basic strategy is to find an offense that is set up for success and start 3-4 players at the top of the lineup.


GPP games

Stacking is more often used in tournaments or GPPs, as it accentuates upside. At DraftKings you can only play a maximum of five hitters from the same team. The basics show that players hitting next to each other gain DK points by adding to RBI and runs scored chances. When stacking, you are hoping for a lineup to destroy a weak pitcher and rack up points early and often. If that pitcher has a decent game, then your stacked lineup is useless. For tournaments, that kind of risk, reward setup is what you are looking for.

The best upside stack is six hitters, but Draftkings has reduced that number to five hitters, making things a little less cut and dry. Stacking four and five hitters is about the same on average and has a good deal less upside than six hitters. But, the data is clear that stacking has more upside across the board.


One way to spread out risk while still stacking, is to use mini-stacks. That means we can possibly have a 4-5 hitters from one team and 3-4 hitters from another. Hitting both is a great boon to your lineup, while hitting one and skating by on the other can still get you in the money. These mini-stacks can help you be a bit more selective with your stacking. Instead of throwing down the Top 5 hitters in a lineup, you can focus on lefty/righty matchups and value a little more when pulling from two lineups.

What teams to stack?

The sportsbook will tell you right off the bat which games are set up favorably for high-scoring, so check them out first. Then you’ll want to decide which teams will see the most DFS action. If the Rockies are at home, they’ll be in the crosshairs of many DFS players, which might hurt your chances of differentiating your lineup enough to take home the top prize. Of course, sometimes it is difficult to move away from the Rockies in certain situations but DraftKings pushes their salaries up and there are often other situations with similar upside. Finding under-the-radar stacks is difficult, especially when you’re just learning, but it’s something that will help you in tournaments for the long run.

Cash games

When spreading risk out, you won’t want to put too many eggs into one basket or, in this case, too many players from one team. That doesn’t mean you pick each player from a different team though. Stacking three or even four players from a team can still be a safe play. For cash games though, you should go into building your lineup with a different frame of mind. The idea is to do your best to roster consistent players in good situations. If that strategy ends up giving you a stack, don’t feel like that is a detriment to your lineup.