Forward who debuted in the NHL for the San Jose Sharks in 2013, becoming the youngest player to score four goals in a game in October 2013. He helped lead the Sharks to the Stanley Cup Finals in 2016.
Prior to joining the NHL, he played for HC Slavia Praha.
He played in the 2013 IIHF World Championship representing the Czech Republic.
He grew up in Prague, Czech Republic.
He played on the same line as the All-Star Joe Thornton during the 2013 NHL preseason.