Possible Clues:

• Not straight talk, like a bad time for Caesar
• Covert comments
• A team's confidences passed on to spectators by players
• Examples of indirect speech?
• Remarks players ignore as the team comes in
• They're thought be said on stage
• Words spoken through side of mouth, not for all to hear
• Seems an edge is spoken on stage
• Like something fatal to Caesar, in a manner of speaking
• Some play lines