The couple chronicled their trip as they headed to Heinz Field to watch the football match beteen Pittsburgh Steelers and Baltimore Ravens, reported E!Online.
"Getting ready for the big game... @Steelers," the 'Magic Mike' hunk shared on Twitter while resting up before start time.
He later wrote to the NFL team's official Twitter account that the players can "count us in" when it comes to attending last weekend's matchup.
Manganiello even treated his fiance to a meal at Primanti Bros.