Here's the release from the league:
The MLS All-Star First XI, as selected by fans, is set to be announced on ESPN at halftime of this Sunday’s Portland Timbers vs. Seattle Sounders FC game, which starts at 1 p.m. PT.
A 12th All-Star, the winner of the AT&T Text Vote, will be revealed on MLSsoccer.com immediately after the Portland-Seattle match.
MLS Commissioner Don Garber will announce his two selections on Saturday, July 16. MLS All-Star Coach Hans Backe of the New York Red Bulls will announce the complete game day roster on Monday, July 18 and he will select the starting lineup, which will be available one hour before kickoff on game day.
The 2011 AT&T MLS All-Star Game takes place Wednesday, July 27 at Red Bull Arena (8:30 p.m. on ESPN2, Galavision, TSN) when the MLS All-Stars face English Premier League Champions Manchester United.
Fans selected the First XI by voting on three platforms – online at MLSsoccer.com, via text message, and via Twitter.