Possible Clues:

• Watch outside broadcast at some tennis
• Watch another Sunday paper? Not right!
• Notice, watch
• Notice or remark
• Make a remark and notice
• See to it that the old boy, initially, may be one of 30 across
• It sounds as if what you encounter below the crust of them is not for the vegetarian
• Notice or make a remark
• At last this will do for the whole of 24 down
• Watch, take note of