The Arizona Diamondbacks have made the playoffs for the first time since 2011.
All eyes are on Arizona for the big game Wednesday. Here are some things to know:
First pitch is at 5:08 p.m. at Chase Field. Arizona Cardinals legend Kurt Warner is throwing out the first pitch.
Gates open at 3 p.m. with pregame ceremonies starting at 4:30 p.m. Season ticket holders will not be permitted to enter early.
The party starts early! Join our 12 Today team on the plaza at Chase Field starting at 4:30 a.m. through 7 a.m. Wednesday. You could be on TV!
The D-backs will face the Colorado Rockies. The winner of the one-game wild card will face the Los Angeles Dodgers in the National League Division Series on Oct. 6.
The game is on TV on TBS. You can hear it on the radio on 98.7 FM.
The first 45,000 fans entering the game will get a D-backs rally towel.
Dr. Jesse McGuire is performing the National Anthem. He's a legendary trumpet player from right here in Phoenix, Arizona.