Bulls notched up a 73-point win over Eaton in Round One of the Bunbury Basketball Association's 2019/2020 Men's competition.
The reigning premiers played flawlessly, before claiming a 56 to 19 buffer at the main break.
Led by Travis Durnin (42 points) and Cohen Thompson (13), Bulls stormed home to secure a resounding 113 to 40 victory.
Jason Smith (23) and Damon Ballantyne (21) guided Tornadoes Black to a 13-point win over Aces White at the South West Sports Centre.
Ahead by 23 at half time, the Tornadoes cruised to a well-deserved 98 to 85 result.
Slammers' star Brody England top scored for Aces White with 25.
Aces Sky was all smiles following its decisive win over Tornadoes Red on Friday night.
After claiming a 24-point half-time lead, Aces Sky went on to clinch an 84 to 45 win.
Slammers Cody Richardson (23) and Anthony Marinovich (14) starred for the victors.
The men's and women's teams will return to the court on Friday, October 18.
