Western United and Koonibba strengthened their A grade Far West football positions with weekend victories.
The Tigers were rarely troubled in their big away win over Thevenard, claiming a commanding 115-point success against the Magpies.
The 21-17 (143) to 4-4 (28) victory has kept Western United to within one win of top spot.
Jarden Stoetzer was the star of the show as he rammed home eight goals, while Jesse Chandler added four more and Tom Woods also impressed for the Tigers.
Bradyn Hedley-King was Thevenard’s best.
The Tigers were 17 points clear at the first break but it was their second quarter performance that ripped the game apart.
They scored 9-5 to a single behind to storm clear of Thevenard.
It continued a difficult start to the season for the Magpies, who have lost all four matches.
It was a much closer contest between Ceduna and Koonibba, but the Roosters claimed their fourth win in a row.
Koonibba had to do it the hard way as they trailed at both quarter time and three-quarter time, however proved decisive when it counted to win by nine points in a 14-14 (98) to 14-7 (91) result.
Ceduna led by 23 points at the first break, only to be caught by a six-goals to one second term.
The match continued to swing as the Blues came out firing after half-time to put away five goals to two and lead by 11 points at the final break.
A 4-7 to 2-1 final quarter made the difference for Koonibba. Lawrence Benbolt led the way for the Roosters with three goals, while Andrew Cox was one of four players to grab two.
The Blues were led by the accurate kicking of Brendon Kloeden with six goals, but will be left to rue the final quarter performance, which left them third with a single win this season.
Western United also enjoyed a big win in the B grade against Thevenard.
The Tigers claimed their third win of the campaign with a 17-7 (109) to 3-3 (21) result.
Thevenard was kept scoreless in the opening quarter and added just one behind before half-time to trail by 69 points.
The Tigers were not troubled in the second half despite the Magpies finally getting goals on the board.
Raymond Peel was impressive with six goals for Western United, while Brandon Rogers played well for the home side who have yet to register a win.
The Tigers sit on six points, just percentage behind Koonibba after they enjoyed an 11-9 (75) to 6-3 (39) victory over Ceduna.
The Blues led at the first break but Koonibba powered clear in the next two quarters with five goals to one, which led to the final 36-point margin.
Derek Gray impressed with four goals for the Roosters.