Coach Manley currently plays professional lacrosse for the Chrome in the PLL and Rochester Knighthawks in the NLL.

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Manley is a graduate of Penn Yan where he was an All-American Defenseman. He continued his career at Duke University where he earned himself a spot as one of the top defenders in the country. In 2008, he was named the ACC Rookie of the Year. At Duke he was also a three-time All-American in 2009, 2011 and 2012. He won a NCAA National Championship with Duke in 2010.

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In 2012 he was taken as the third overall pick in the Major League Lacrosse Collegiate draft by the Rochester Rattlers. In 2012 he appeared in 11 games and was a top defender with 35 ground ball pickups. In 2013, as a regular on the Rattlers defense, Manley scored 3 goals and scooped up 20 ground balls. In 2014, he was named the Brine Defensive Player of the Year in Major League Lacrosse.

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He was a member of the USA Men’s National Box Team that competed in the FIL World Box Championship, winning bronze and also competed with Team USA Box at the 2017 Heritage Cup.