Decathlon world championn Pierce LePage of Canada will miss the upcoming Paris Olympics for injury reasons. LePage made the announcement in an Instagram video late Wednesday, saying he would undergo a operation on a slipped disc he suffered in April and that has not allowed him to train and perform at top level. He also said he hurt his hand and shoulder in pole vault training recently, and came to the conclusion he could perform nowhere near the 8,909 points he scored for the world title last year in Budapest. “It was either go to the Olympics, score 7,000 points if that, or hurt myself and r…