Sharks forward Logan Couture has undergone surgery on his hand that was injured during a fight in the playoffs.

GM Doug Wilson said Tuesday that Couture had the operation last week and is expected to be fully recovered by the start of training camp, according to an ESPN.com report.

Hours before the Stanley Cup finals began, NHL commissioner Gary Bettman proclaimed that concussions are down across the league and there are numbers to back him up, according to an ESPN.com report.

That does not mean the league has figured out how to prevent head injuries among its players. 

According to data from STATS provided to The Associated Press, there were 53 concussions during the regular season, a sharp decline from the 78 reported during the league's last full season two years ago.