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Bruce Boudreau did a lot in a relatively short amount of time in D.C.
Gabby took over 21 games into the 2007-08 season, with Washington sporting a 6-14-1 record. The Caps compiled a league-best 37-17-7 mark from that point on and won the Southeast Division on the last day of the regular season to secure a spot in the playoffs. Boudreau won the Jack Adams Award in the process.
All this from a man who had never before coached in the NHL.
Boudreau then proceeded to earn at least 100 points in the standings as well as the Southeast Division title in each of the next three seasons, his only full seasons in Washington.
The second of these three 100-point seasons was especially significant. In 2009-10, Boudreau led the Capitals to a 54-15-13 record, good for 121 points and the franchise's first and only Presidents' Trophy. The Caps became the first non-Original Six team to reach the 120-point plateau.
Two seasons later, on Nov. 21, 2011, Boudreau became the fastest NHL coach to reach 200 wins, according to The Washington Post. The record was broken less than two years later by Pittsburgh Penguins head coach Dan Bylsma, according to the team's website.
Boudreau's regular season accomplishments are impressive, but his postseason failings are difficult to ignore. Yes, he has the best postseason winning percentage of any coach on this list. But he never advanced past the conference semifinals and was twice bounced from the playoffs in the conference quarterfinals, including the year his team won the Presidents' Trophy and therefore earned the No. 1 overall seed throughout the playoffs. He also compiled a 1-3 record in Game 7s.
In closing, Boudreau is the greatest coach in Capitals history, but by no means was he a great coach while in Washington. Instead, Boudreau should be remembered as the greatest in a collection of merely good coaches. The truth is, with 24 playoff appearances, two conference finals and zero Stanley Cups to show for 38 years of existence, the Washington Capitals have yet to hire even one great coach.