W5: Georges St-Pierre's battle back to the top

It's been four years since Canadian UFC legend Georges St-Pierre last appeared in the octagon, but as TSN's Robin Black reports, GSP is ready to fight at the highest level once again. Subscribe to W5 to watch more videos:    / @officialw5   Connect with W5: For the latest investigations visit: http://www.ctvnews.ca/w5/ For a full video offering visit the CTV News Network: http://www.ctvnews.ca/video?binId=1.8... W5 on Facebook:   / ctvw5   W5 on Twitter:   / ctvw5   --- W5 is Canada’s most-watched investigative, current affairs and documentary program. Tackling major stories and investigations W5 is in its 51st season.