Possible Clues:

• Is this waht they played in Dad's day?
• I'm absorbed by old English hobby
• Stick around - I am providing a diversion
• Dad's period of relaxation
• Crossword solving, for one
• Old man's period for diversion
• The sort of entertainment for Father's Day
• Issues a quiet rebuttal as a diversion
• What they did with their leisure in your father's day
• Baseball is our national one