Dan Marino is a hall of famer and one of the best passers in the history of the game, so yes, he was capable.

Source: https://profootballtalk.nbcsports.com/2023/03/08/now-more-than-ever-lamar-jackson-needs-an-agent/

KC with Mahomes reminds me of Miami with Dan Marino.

Source: https://profootballtalk.nbcsports.com/2023/01/21/chiefs-advance-to-fifth-straight-afc-championship-game-with-win-over-jaguars/

This team is wasting the talent of quarterback Justin Herbert, who went 27-for-40 for 323 yards and four touchdowns to pass Hall of Famers Peyton Manning and Dan Marino for the most passing yards in a player’s first four seasons.

Source: https://www.bostonherald.com/2023/11/14/nfl-power-rankings-week-11-ravens-and-bengals-slip-heading-into-pivotal-matchup-as-afc-playoff-race-heats-up/

Western Pennsylvania is famous for quarterbacks, too, with Hall of Famers Dan Marino, Joe Montana, Joe Namath, Jim Kelly and Johnny Unitas among the products.

Source: https://wtop.com/sports/2023/02/mahomes-hurts-latest-texas-prep-qbs-on-super-bowl-stage/

“We’ve even got Dan Marino.

Source: https://nypost.com/2023/12/27/sports/mike-mcdaniel-taunts-dolphins-dan-marino-f-k-your-records/