Briedis: I spar both Klitschkos

WBC cruiserweight champion Mairis Briedis in an interview to video blogger Elie Seckbach told about how he started boxing, what he thinks about Gennady Golovkin's fight against Saul Alvarez, about the hypothetical meeting between Anthony Joshua and Deontay Wilder, and about his sparring with both Klitschko brothers.