An amazing 22 wickets fell on the first day of the round 13 clash, which has all but ended Bayswater-Morley’s slim finals hopes.
The Bears started terrifically to have the Sky Blues 3-2 inside the first few overs before a middle-order partnership kept the home side alive.
Nathan Rimmington was superb upon his return, taking 6-48 as the hosts were bowled out for just 134.
Jonty Wilde (2-35 from 17 overs) continues a strong season.
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READ NOWSam Birchall and Alex Bevilaqua then destroyed the Bears’ batting line-up as they were bowled out for 81.
Mitch Todd and Stephen Jennings were the only batsmen to pass 20, in a disappointing display.
South Perth finished 1-14 in the second innings, with Rimmington taking his seventh wicket for the day.