Career
He notably played for Glentoran for 15 years and captained the side to Irish League and cup titles, playing 597 times for the team, before being released in 2011. Glentoran
After playing for Dungoyne Boys, Leeman joined Glentoran as a schoolboy in 1993. Two years later he made his first-team debut.
Initially playing in midfield and at right back, he switched to centre-back.
He was named as the Ulster Football player of the Year for the 2002/03 season. Leeman missed almost all of the 2005-2006 season.
He had his testimonial against Roy Keane"s Ipswich Town, a 3–1 defeat. He was the fourth generation of his family to play for Glentoran.
Crusaders
Leeman joined fellow Belfast side Crusaders in June 2011, linking up with former Glens team-mate Michael Halliday.
He scored his first Crusaders goal in a 5-1 league victory over Carrick Rangers on 29 October 2011. Glentoran
Irish Premier League (4): 1998-1999, 2002-2003, 2004-2005, 2008-2009
Irish Cup (4): 1997-1998, 1999–2000, 2000-2001, 2003-2004
Gold Cup (3): 1997-1998, 1998-1999, 1999–2000
Irish League Cup (5): 2000-2001, 2002-2003, 2004-2005, 2006-2007, 2009-2010
County Antrim Shield (6): 1997-1998, 1998-1999, 1999–2000, 2001-2002, 2002-2003, 2007-2008
Crusaders
NIFL Premiership (1): 2014-2015
Irish League Cup (1): 2011-2012
Setanta Cup (1): 2012.