Matt Grevers celebrates winning the men's 100-meter backstroke during the Duel in the Pool swim meet in Indianapolis, Saturday, Dec. 12, 2015. Grevers set a new world record with a time of 48.92 seconds. (AP Photo/AJ Mast)

 AJ Mast

No. 2 • Matt Grevers 

The UA’s volunteer swimming coach broke the world record in the 100 backstroke this month, part of another stellar year. He won a silver and bronze medal in the backstroke at the World Championships, and was part of Team USA’s gold-medal winning 400 freestyle relay team. 

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