Matt Carpenter and Tommy Pham each homered twice as the St. Louis Cardinals went deep six times in an 11-6 victory over the Seattle Mariners on Sunday.

Jedd Gyorko and Matt Holliday also homered for St. Louis. Carpenter, Holliday, and Aledmys Diaz each had three hits as the Cardinals finished with 17 — including 13 for extra bases.

Gyorko and Pham led off the seventh with back-to-back home runs against reliever Nick Vincent (1-7) to break a 6-6 tie. Holliday extended St. Louis' lead to 9-6 with a solo shot in the eighth against Edwin Diaz. Pham and Carpenter each hit their second home runs, both solo shots, in the ninth.

Kevin Siegrist (5-2) allowed one run on two hits in 1 1/3 inning to get the win.

Franklin Gutierrez tied the game at 6-6 with a three run homer against Siegrist in the bottom of the sixth.