Landon Donovan has joined the ownership group trying to bring an MLS team to San Diego. MLS has said they will add 4 more teams, expanding to 28 clubs total And San Diego is among the 12 cities in the mix for one of those teams. Donovan made a short comeback from retirement in the final months of last season But he hasn't joined a team for this season and looks set to go back into retirement. Ownership would be a way for him to stay in the sport, and in MLS, even if he never plays again