The 2014 D.C. United season was the club's nineteenth season of existence, and their nineteenth in Major League Soccer, the top tier of the American soccer pyramid.

Outside of MLS regular season play, the club is going to be participating in the 2014 Lamar Hunt U.S. Open Cup, in which they are the defending champions, as well as the 2014–15 CONCACAF Champions League. It is United's first appearance in the Champions League since the 2009–10 campaign. Ahead of the MLS regular season campaign, United will participate in the 2014 Carolina Challenge Cup.

After an abysmal 2013 campaign that saw the team break several negative MLS records, the team swapped out over half of its roster. Several starters from 2013 were released or simply let go, including starters like Lionard Pajoy, Dwayne De Rosario, and James Riley among others. In their place, the team gathered several players from other teams, including Davy Arnaud from Montreal, Bobby Boswell from Houston, and Eddie Johnson from Seattle.

Ben Olsen and Dave Kasper were allowed to stay on as Head Coach and General Manager (respectively) of the team.

By the time the first match of the MLS season came around, only 4 of the starting 11 had stayed with the team from last year. Unfortunately, prospective starting midfielder Chris Pontius suffered a serious hamstring injury and was pronounced out for most of the season. His spot was given to fellow midfielder Perry Kitchen.

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