Possible Clues:

• It may be rasher to play with this on board
• Sponsor school wanting half-day for game
• With that sort of pork on board it's a dicey matter
• Support sham of a game
• Game's second leg at start of week
• Promote smoked ham, perhaps, or game
• Not mah-jong -- mah!
• Second bit of a pig required for game
• Game -- approve of meat
• 2, itself unfinished entering second day