Report: Senators farmhand Mills suspended 20 games for positive test of banned substance

Binghamton Senators forward Brad Mills, a veteran of 34 NHL games, has received a 20-game ban from the American Hockey League after testing positive for a banned substance, reports Sportsnet's Chris Johnston. 

The journeyman graduated from Yale University in 2007 and made his professional debut later that year with the AHL's Lowell Devils. 

Mills appeared in three games for the Chicago Blackhawks last season.