So Symmonds and Manzano have not sponsor; but it's not clear if the pair were dropped or refused to sign an offer from Nike of whoever.
Lots of opinions about Symonnds' moves.
Nick Symmonds Signs With Brooks: 4 Quick Thoughts About Symmonds’ Move
"Running has a long way to go but it would be a good thing if fans sort of had teams they could root for. Instead of rooting for the Yankees or Redsox, you can root for Nike OTC, Brooks Beast Seattle, adidas/BAA, etc."
Nick Symmonds signs with Brooks & will join Seattle's Brooks Beasts TC...
"... said that part of what drew him to sign with Brooks is the fact that Brooks does not put in reduction clauses in its contracts... wants their athletes to be supported through the good times and the bad...”