Bruff proved to strong at Kilballyowen Park.
Tullamore have suffered back to back defeats in the AIL Division 2C after a loss to Bruff last weekend.
The Offaly side have now recorderd just two wins from their 12 games and remain 9th in the table.
Meanwhile their opponents also remain 8th but extend their advantage over the midlanders to seven points.
Next Up for David Hanlon's side is a home match against Monkstown on the 8th of February.
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