A strong performance from Mayo has put them top of Division 3A of the Allianz National Hurling League.
Brian Finn & Ray Larkin's side were 26 point winners this afternoon against Monaghan.
Mayo hit the net five times with Adrian Phillips bagging 3-2.
Eoin Delaney (1-2) and Daniel Huane (1-2) also hit the net with Cormac Phillips (0-6) and Liam Lavin (0-5) also scoring well.
Full time score from Castleblayney:
Mayo 5-20 (35) Monaghan 0-9