In the 2019-20 season the veteran defender played in 11 games, scoring four goals, adding seven assists and 69 loose balls with the Toronto Rock. In 146 career games, Brock has 43 goals, 52 assists, 656 loose balls and 118 caused turnovers.
Brock has played ten seasons in the National Lacrosse League with stops in Boston, Philadelphia, Buffalo, New England and Toronto. The Burlington, Ontario native was originally selected in the first round, seventh overall, in the 2010 NLL Entry Draft by Boston. Prior to the NLL Brock had a successful NCAA collegiate lacrosse career at the University of Albany.