WWE.com has officially confirmed Randy Orton vs. Big Show for the upcoming Extreme Rules PPV on 5/19. The stipulation for the match will be under Extreme Rules.
Here is the updated card for the PPV as of this week.
WWE Championship - Last Man Standing Match
John Cena (c) vs. Ryback
WWE World Heavyweight Championship - Triple Threat Ladder Match
Dolph Ziggler (c) vs. Alberto Del Rio vs. Jack Swagger
Steel Cage Match
Triple H vs. Brock Lesnar
Sheamus vs. Mark Henry
Extreme Rules Match
Randy Orton vs. Big Show