Van Gerwen was 2-1 down against James Wade but 'The Machine' was powerless as Mighty Mike went through the gears claiming a 6-2 win with a 107.3 average.
De Sousa on the otherhand continues his astonishing form today hitting a 105.9 average in a 6-3 victory over Gerwyn Price. He will now face Stephen Bunting who will do his chances of making the World Matchplay a world of good by making the latter half of proceedings today.
Peter Wright also impressed in the Last 16 hitting a 103 average in downing Jermaine Wattimena 6-4. He will take on Jeff Smith who has been in good form since regaining his PDC Tour Card at the start of the year.
Finishing the line-up for the Quarter-Finals are Daryl Gurney and Ian White who took care of Ryan Meikle and Jonny Clayton respectively.
Click here for more information about the PDC Summer Series, including the prize money breakdown.
Jose De Sousa (105.9) 6 | 3 (99.8) Gerwyn Price
Stephen Bunting (93.7) 6 | 3 (94.3) Ryan Murray
Ryan Meikle (88.8) 1 | 6 (85.6) Daryl Gurney
Ian White (94.8) 6 | 2 (92.1) Jonny Clayton
Peter Wright (103.9) 6 | 4 (96.9) Jermaine Wattimena
Jeff Smith (94.8) 6 | 1 (90.4) Mike De Decker
Chris Dobey (93.4) 6 | 4 (95.2) Dimitri Van den Bergh
Michael van Gerwen (107.3) 6 | 2 (86.0) James Wade
Jose De Sousa - | - Stephen Bunting
Daryl Gurney - | - Ian White
Peter Wright - | - Jeff Smith
Chris Dobey - | - Michael van Gerwen
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