
Ben Olsen was an assistant under Curt Onalfo in 2010 before taking over as coach after United struggled to a 3-12-3 start. (Andrew Harnik/The Washington Times)

Sporting Kansas City celebrates Matt Besler's goal against the D.C. United during the second half of an MLS soccer game, Saturday, Oct. 22, in Washington. Kansas City won 1-0. (AP Photo/Nick Wass)

Chris Pontius scored three goals Sunday night to lead D.C. United to a 4-1 win over the New York Red Bulls. (The Washington Times)

D.C. United's Josh Wolff came in as a substitute and scored in the 73rd minute to give D.C. United a 1-1 draw with the Chicago Fire. (Associated Press)

San Jose Earthquakes' Steven Lenhart celebrates after scoring a goal against the Columbus Crew during the second half of a game earlier this season. Lenhart scored three times and assisted once in the Earthquakes' 4-2 win over D.C. United. . (AP Photo/Tony Avelar)

Charlie Davies, shown after scoring against the Columbus Crew in March, scored three goals against Chivas USA in D.C. United's 3-0 win Saturday night. (Associated Press)

ASSOCIATED PRESS D.C. United coach Ben Olsen quite often is in a joking mood, but he was all business with his team at its first training session since dropping a 4-1 decision at Houston on Friday.

FILE - In this May 30, 2009, file photo, New England Revolution's Taylor Twellman reacts to a missed scoring opportunity against D.C. United during the first half of an MLS soccer game at Gillette Stadium in Foxborough, Mass. Twellman is expected to announce that concussion issues are forcing him to end his career. The 30-year-old Twellman has scheduled a press conference Wednesday, Nov. 3, 2010, at Gillette Stadium with head coach Steve Nicol to announce that he will abandon his quest at a comeback. (AP Photo/Winslow Townson, File)

D.C. United midfielder Santino Quaranta played Aug. 6 for the first time in nearly three months after recovering from a concussion. (Getty Images)