The Cardinals spent a week in San Diego in 2016 and practiced with the Chargers twice before the teams met in their preseason matchup .
The Cardinals held several practices outside the stadium due to a Guns N ' Roses concert last year .
The Cardinals , who held several practices outside the stadium due to a Guns N ' Roses concert last year , spent a week in San Diego in 2016 and practiced with the Chargers twice before the teams met in their preseason matchup .