Leigh beat Catalans Dragons for their first time to boost their hopes of extending their Super League stay.
Warrington run in nine tries as they beat Catalans Dragons for their second straight win in The Qualifiers.
Catalans Dragons begin their Qualifier campaign to secure their Super League status with a hard-fought win over London.
Super League leaders Castleford Tigers will begin the Super 8s phase of the season at home to St Helens on 3 August.
Audio & Video
Watch Sika Manu's disguised pass for Carlos Tuimavave's try during Hull FC's 14-16 defeat by Catalans Dragons.
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What's on BBC Sport this week
This week's sport on the BBC includes the Challenge Cup final from Wembley, England v West Indies in the second Test at Headingley and the Belgian Grand Prix.