Alex Ovechkin calls Capitals' trade of longtime D John Carlson 'the toughest day in my career' Ovechkin and Carlson had been Capitals teammates for 17 years. Content Original Link: https://sports.yahoo.com/nhl/article/alex-ovechkin-calls-capitals-trade-of-longtime-d-john-carlson-the-toughest-day-in-my-career-224042425.html