MLS Sending Four Teams to SuperLiga. But...What, no Galaxy?

From the New York Times:

M.L.S. and Mexico's soccer federation have announced the eight-team field for the second SuperLiga tournament, which will be July 12-Aug. 5. The four M.L.S. teams are: Houston, winner of the last two M.L.S. Cup titles; New England, the loser in the last three M.L.S.