 Complete the following phrase:  Ice hockey is usually considered the most popular sport in Latvia. Latvia has had many famous hockey stars like Helmuts Balderis, Artūrs Irbe, Kārlis Skrastiņš and Sandis Ozoliņš and more recently Zemgus Girgensons, whom the Latvian people have strongly supported in international and NHL play, expressed through the dedication of using the NHLs All Star Voting to bring Zemgus to number one in voting. Dinamo Riga is the countrys strongest hockey club, playing in the Kontinental Hockey League. The national tournament is the Latvian Hockey Higher League, held since 1931. The 