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- Nick LaBrocca, Chivas USA
- Connor Lade, New York Red Bulls
- Michael Lahoud, Philadelphia Union
- Reggie Lambe, Toronto FC
- Matt Lampson, Columbus Crew
- Jeff Larentowicz, Colorado Rapids
- Florian Lechner, New England Revolution
- Alex Lee, FC Dallas
- Young-Pyo Lee, Vancouver Whitecaps FC
- Steven Lenhart, San Jose Earthquakes
- Leonardo, Los Angeles Galaxy †
- Sébastien Le Toux, New York Red Bulls
- Joel Lindpere, New York Red Bulls
- David Júnior Lopes, Los Angeles Galaxy
- Porfirio López, Philadelphia Union
- Zach Loyd, FC Dallas
Read more about this topic: List Of Current Major League Soccer Players