Philadelphia Union midfielder Brian Carroll announced his retirement on Thursday after 15 years in Major League Soccer.
Carroll, 36, has played for Philadelphia for the past seven years, though he has yet to appear in a game this season. He could get a send-off in Sunday's finale against Orlando City.
He began his career with D.C. United in 2003 and spent five seasons there before joining Columbus. He scored nine goals and never saw a red card.
Carroll's 370 regular-season appearances is the...