in the info_player_teamspawn one of the parameters is 'Team' :)
You can use the I/O (Input/Output) to disable and enable spawn points (or in this case, disabling earlier spawns and enabling forward spawns). Just make sure that this is activated on capture for BLU team.
Completely unrelated, but rather than asking questions in the profile posts section, you're better off asking in the Mapping questions part of the forum. You're most likely going to get an answer way quicker. Not everybody looks at the recent profile posts all the time.
I agree with @Vel0city.
Separate names with a comma.