Miami Dolphins fans tuning into the Amazon Prime broadcast of the Thursday night matchup between the San Francisco 49ers and the New York Giants received an unexpected treat, as the Dolphins’ Hall of Fame quarterback Dan Marino made a surprise cameo. The segment began as former Miami Dolphins quarterback Ryan Fitzpatrick, now a studio host for Amazon Prime’s NFL coverage, surprised current 49ers quarterback Brock Purdy with a FaceTime call during the broadcast, which featured none other than Marino, a sports icon revered by Purdy’s dad. Purdy, who revealed during the interview that he wears #13 in honor of Marino, shared a fun family anecdote about his connection to Marino, and how it began the day he was born…