Seahawks running back Marshawn Lynch (24) fights through Arizona Cardinals defensive end Tommy Kelly (95) on his touchdown run, Dec. 21, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

Seahawks demolish Cardinals in Arizona

That team from the Pacific Northwest sure looked a lot like the Super Bowl champs of last season in its 35-6 victory over the Arizona Cardin…