Career
He is currently playing with the Nashville Predators of the National Hockey League (National Hockey League). Granberg was drafted 116th overall by the Toronto Maple Leafs in the 2010 National Hockey League Entry Draft. On April 13, 2014, Granberg made his National Hockey League debut skating for the Toronto Maple Leafs during a 1-0 loss to the Ottawa Senators.
Prior to the 2015-2016 season, Granberg suffered an off-season injury, requiring surgery for a torn achilles.
Nearing a return to playing after a four-month rehabilitation, Granberg was placed on waivers by the Maple Leafs. On November 22, 2015, Granberg was claimed off waivers by the Nashville Predators.