NHL star Matthew Tkachuk star admits skating is his biggest flaw NHL superstar Matthew Tkachuk reflects on his father Keith Tkachuk’s 'compete' philosophy and why he still doesn't consider himself a 'great skater.' If you were unaware, the NHL Playoffs are going on right now. There are four major sports in the United States, and all four saw some action last week. Baseball had regular season games, the NFL had its draft, and the NBA and NHL are in playoff seasons. I've covered a lot of NBA