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.
Laois Set For Crucial Joe McDonagh Clash With Down
Shane Lowry In Action At PGA Championship
Leinster SHC: Season Defining Game For Offaly And Wexford
Athlone Town On The Road In First Division This Weekend
Leinster SFC: Westmeath Manager's Only Focus On Winning Provincial Title
Irish Rail To Provide Extra Services For Leinster Final
Retiring Midlands Rugby Star Converts Sports Centre Planning Application
We Want To Win Two Points Every Game - Killian Sampson
Joe Ward Set For Mega Fight Night At Athlone Town Stadium
Shane Lowry Set For PGA Championship Hunt
We Were Second Best Against Laois - Kevin O'Brien
Offaly Players Deserve Credit For Clare Victory - Mickey Harte
Laois Progress To Next Round Of Tailteann Cup
Ronan Deegan Secures Third Professional MMA Win
John Heslin Trains With Westmeath Camp Ahead Of Leinster Final
Midlands Volunteers Encouraged To Enter GAA Community Heroes Campaign
Laois Secure Massive Win Over Westmeath In Joe McDonagh Cup
Ireland Secure Second Win In Women's Six Nations
Leinster SHC: Eoghan Cahill 65 Rescues Draw For Offaly Against Kilkenny
Offaly Hurling Captain Hospitalised Following Kilkenny Match