The only tickets remaining for that game, which starts at 7:05 p.m., are outfield lawn seats and limited single seats elsewhere in the stadium.
The game will feature postgame fireworks.
Capacity at the park has been reduced by more than 4,000 as the upper deck on the right field side has been covered by a tarp. With the change, capacity at the park is around 8,900.
Tickets can be purchased by calling the RedHawks at 218-1000 or at OKCRedHawks.com.
SATURDAY GAME MOVED UP
The second home game of the season, on Saturday, April 16, vs. Albuquerque has been moved up to a 1 p.m. start.
At 7:05 that night, Oklahoma and Oklahoma State will play the first of two Bedlam games at the park.
The Sooners and Cowboys will also play at 4:05 p.m. Sunday as the RedHawks get an off day in the middle of their series against the Isotopes.
RedHawks (RH Sergio Perez, 0-0, 0.00 ERA) at Memphis (RH Brandon Dickson, 0-0, 0.00 ERA), 7:05 tonight
OLD PALS LOSE
The RedHawks' previous big league affiliate, the Texas Rangers, moved their top farm to Round Rock during the offseason. On Thursday night, Round Rock lost its opener 12-9 at Iowa. Esteban German and Chris Davis, who played for Oklahoma City last season, had two hits each. Davis hit his first home run. Former RedHawks pitcher Michael Kirkman started for Round Rock. He gave up 10 runs and 10 hits in 31/3 innings.