Zack Greinke has been announced as the starting pitcher for Wednesday's game that starts at 5:08 p.m. at Chase Field in downtown Phoenix.
The first 45,000 fans in the ballpark will get a Dbacks Rally Towel.
Even though the Wild Card game is sold out, fans can still take part in the festivities outside the stadium. There will be a street festival starting at 3 p.m. along 4th and Jackson streets, with live music, a beer garden, a merchandise truck and the Dbacks Street Team.
The winner of the Wild Card game in Arizona will meet the Dodgers in Game 1 of an NL Division Series on Friday at Dodger Stadium.