49ers–Cardinals rivalry - Wikipedia
49ers try to claim NFC West vs. surging Seahawks
Four Downs: 49ers Keys to Victory Against the Cardinals in Mexico
Arizona Cardinals clash with the San Francisco 49ers in Mexico
NFL's most bitter rivalry kicks off Thursday Night Football
49ers to Face Cardinals on 'MNF' in Mexico City
AP Top 25 Reality Check: Another ranked Red River Rivalry, but
Big 12 bids goodbye to Red River Rivalry; replacing Texas-Oklahoma
NFL - This NFC West rivalry is headed to Mexico City