Career
He is from Pittsburgh, Pennsylvania. Boston College coach Jerry York includes him among elite Boston College goaltenders Scott Clemmensen, Cory Schneider and John Muse. Milner helped lead his team to an 19-game winning streak including championships at the Beanpot (ice hockey) tournament and the 2011-2012 National Collegiate Athletic Association Division I men"s ice hockey season final.
Amateur
He had a 25-5 record and a.931 save percentage during the regular season.
He was named to the 2012 Hockey East Men"s Ice Hockey Tournament all tournament team He was named defensive player of the week February 20, 2012.
During the 2010 offseason, Milner and two other Freshman hockey players (Philip Samulesson and Patrick Wey) were involved in an accident when the SUV they were passengers in was hit by a trolley close to the South Street T-stop near Boston College. Players were treated for minor injuries.
Milner was the Waterloo Blackhawks Most Improved Player in 2008-2009 in USHL. After finishing his college career with Boston College, Milner went undrafted in the 2013 National Hockey League Entry Draft.
Professional
On June 30, 2013, Milner signed a one-year American Hockey League contract with the Bridgeport Sound Tigers, an afiiliate of the New York Islanders. He started the season with the Sound Tigers but was later re-assigned to the Stockton Thunder, the Islanders" ECHL affiliate. On August 19, 2014, Milner signed as a free agent to a one-year contract with the Quad City Mallards of the ECHL. On July 2, 2015, Milner returned to the Sound Tigers of the AHL, agreeing to a one-year contract as a free agent.