Possible Clues:

• Loser grounded after getting trounced
• One of low status
• Least favoured competitor
• Cook insufficiently on top of grill? One has no chance
• Likely loser unfortunately grounded
• Grounded (anag.)
• Unlikely Victor could be grounded after accident
• How this answer is situated
• Poor competitor features in heat inadequately - not much good
• Cook too little grub, primarily, for the unlikely winner