Possible Clues:

• Sore calf after playing in the Open
• Outdoors, in Anglo-Saxon king's company, duke is ignored
• Man cores fruit — like a picnic?
• Out-of-doors
• Force Sal out into the open-air
• A source of light forces change outside
• Outside left in a fine score, tumbling
• With fellow missing excitedly clears off outside
• Coal fires? One's not needed working outside
• One burning them nearly takes half of cakes outside