D.C. United D Steven Birnbaum announces retirement

(Photo credit: Daniel Kucin Jr.-USA TODAY Sports)
D.C. United captain Steven Birnbaum announced his retirement and will be celebrated at halftime Saturday during halftime of a friendly against Celtic FC.

Birnbaum, 33, played 11 seasons with D.C. United after the defender was selected with the second overall pick in the 2014 draft out of Cal.

Birnbaum's last MLS match came on June 1 when he played 45 minutes during a 2-2