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Daniel Constantine Marino Jr. (born September 15, 1961) is a former American football quarterback who played seventeen seasons for the Miami Dolphins of the National Football League (NFL). The last quarterback of the quarterback class of 1983 to be taken in the first round, Marino held or currently holds dozens of NFL records associated with the quarterback position. Despite never being on a Super Bowl-winning team, he is recognized as one of the greatest quarterbacks in American football history. Best remembered for his quick release and powerful arm, Marino helped the Dolphins become consistent postseason contenders, leading them to the playoffs ten times and one Super Bowl appearance in XIX, although a title victory ultimately eluded him during his career.

The Dan Marino Foundation was established in 1992 by Marino and his wife, Claire, after their son, Michael, was diagnosed with autism. The foundation has distributed over $22 million to research, services, and treatment programs serving children with neurodevelopment disabilities. The Dan Marino Center, which opened in 1995 along with the Miami Children's Hospital, is an integrated neurodevelopmental center specializing in the diagnosis and treatment of children at risk for developmental and psychological problems. The center saw more than 48,000 children last year alone. Marino has teamed with other celebrities to raise awareness about autism spectrum disorders, including fellow NFL quarterback Doug Flutie, whose son also has an autism diagnosis.  On November 7, 2005, the National Basketball Association's Miami Heat honored Marino's charitable works and recognized his service to South Florida with a halftime tribute, as well as a large donation to the Marino Foundation. Though a Heat jersey with his name and #13 was unveiled, this did not constitute retirement of his number by the Heat, and was worn by Heat guard/forward Mike Miller as recently as the 2012/2013 NBA season.  On March 23, 2010, The Dan Marino Foundation held its first "Walk about Autism". Over 6000 walkers participated, as well as 420 volunteers provided by the Miami Dolphins Special Teams.  The money raised benefited several funds including the Autism Societies of Miami-Dade and Broward; the University of Miami-Nova Southeastern University Center for Autism and Related Disabilities; the Florida Atlantic University Center for Autism and Related Disabilities; and the Dan Marino Foundation.
Dan Marino