NFL

Cardinals OG Mike Iupati taken off in ambulance with injury

Oct 4, 2015; Glendale, AZ, USA; Arizona Cardinals guard Mike Iupati (76) looks on prior to the snap during the second half against the St. Louis Rams at University of Phoenix Stadium. Mandatory Credit: Matt Kartozian-USA TODAY Sports

Oct 4, 2015; Glendale, AZ, USA; Arizona Cardinals guard Mike Iupati (76) looks on prior to the snap during the second half against the St. Louis Rams at University of Phoenix Stadium. Mandatory Credit: Matt Kartozian-USA TODAY Sports

The Arizona Cardinals signed guard Mike Iupati this past offseason.

Matt Kartozian USA TODAY Sports

Arizona Cardinals offensive guard Mike Iupati was taken off on an ambulance during Monday night's game against the Seattle Seahawks.

Iupati, who was unexpectedly struck in the head by safety Kam Chancellor, fell to the ground and was tended to by trainers.

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Iupati was replaced by backup Earl Watford.