Simpson slotted an outstanding eight majors for the Swans as his side engineered a huge win over Mooroopna, 22.18 (150) to 3.1 (19).
Erion Barolli, Max Clohesy and Tom Barnes helped themselves to three goals apiece for the Swans, while Aiden Vanderwerf (two goals), Kydan Atkinson and Patrick Barnachea battled hard for the Cats.
Shepparton Notre also managed a big win over Kyabram, with the final score 22.21 (153) to 6.4 (40).
Jack Norris was still able to boot four goals for the Bombers as Jonty Hawes and Oliver Watt also stood out for the side, but in the end the Bears had too many weapons in attack.
Achoung Agog (four goals), Connor Fleming (three), Jayden Dhosi (three) and Drew Docking (three) dominated in front of goal, while Jordan Michel was a clear best on ground in the triumph.
Echuca’s win over Shepparton United was also impressive as Noah Long snared himself a bag of five goals.
Elijah Bruns, Maddex Fimmel and Brodie Marriott were also in great touch for the Murray Bombers in the 12.11 (83) to 3.2 (20) victory, with Patrick Thompson, Josh Crawford and Blake Serra working hard for the Demons all game.
● Moama led the charge in the division two ranks with a resounding 22.20 (152) to 1.1 (7) win over Shepparton Notre-Mooroopna.
Levi Boys booted five goals for the Magpies and had plenty of support from the likes of Angus Baldwin, Noah Langborne, Ryan Simmons (all three goals) and James Gillivan.
Connor Sessions, Hamish Dobson and Zac Metcalf battled hard for the Bearcats.
Brayden George had a day out for Tatura against Echuca United, booting seven goals as his side knocked off the ladder-leader with ease.
Jaidyn Bathman, Lewis Walker and Liam Campbell were also in fine touch for the Bulldogs in the 18.17 (125) to 7.6 (48) triumph.
Colby Campbell (three goals), Jesse Kempen and Jaidyn Talbot stood out for the Eagles.
Lewis Rolfe’s five majors were enough to help Echuca claim victory over Shepparton United, 13.11 (89) to 7.7 (49).
Kobyn James and Jonston McCann also impressed for the Murray Bombers, as did Isaac Cox and Josh Crawford for the Demons.
Kyabram was successful in its clash against Rochester, winning 13.7 (85) to 8.5 (53).
Jack Millar kicked four goals for the Bombers as Rueben Stranger and Riley Gallivan were also crucial to the end result, while Lewis Cleary (three goals) and Waugh George battled hard for the Tigers.