- Nick LaBrocca - COL
- Michael Lahoud - CHV
- Josh Lambo - FCD
- Luis Angel Landin - HOU
- Jeff Larentowicz - NE
- Sebastien Le Toux - SEA
- Jonathan Leathers - KC
- Chris Leitch - SJ
- Steven Lenhart - CLB
- Roger Levesque - SEA
- Eddie Lewis - LA
- Eduardo Lillingston - CHV
- Freddie Ljungberg - SEA
- Claudio Lopez - KC
- Peter Lowry - CHI
- Andre Luiz - SJ