Possible Clues:

• One of those who is a bit of a radical steps very close to the line
• Player in red?
• Socialist dumped flier
• Red kite maybe flew away first
• Red robin, for example, flew off earlier
• Bolshie footballer
• Possibly a red bird flew off first
• One getting some kicks as a communist?
• Footballer in red
• Team player, one of the Reds