The Philadelphia Phillies are National League East Division champions and postseason bound, but the next step is securing a first-round bye and home-field advantage throughout the playoffs.

The Phillies lost to the Arizona Diamondbacks 4-3 on Sept. 20.

Here's what you need to know about the MLB postseason. Schwarbombs: Kyle Schwarber joins exclusive company by blasting NL-leading 50th home run

What's the Phillies magic number to clinch a first-round bye?

The Phillies are cutting that number down quickly during their three-game series with the Dodgers. Expert MLB daily picks: Unique MLB betting insights only at USA TODAY

The Phillies ' magic number to clinch a first-round bye in the playoffs is 3.

Phillies remaining schedule: Sept. 21 at Arizona; Sept. 23-25 vs. Miami; S

See Full Page