Alun Wyn Jones will be in a 31-man Ospreys squad for matches against Benetton Rugby in Italy and Cheetahs in South Africa.
Welsh Rugby Union
Coach Wayne Pivac says the Scarlets will maintain the free-flowing style that won them the Pro12 title last year.
Dragons full-back Zane Kirchner faces a long lay-off after dislocating his shoulder during the Pro14 win over Connacht.
Wales hooker Kristian Dacey will feature for the Blues for the first time this season against Connacht after recovering injury.
Audio & Video
John Andrew's late try seals a comeback win for Ulster against last year's champions Scarlets at Kingspan Stadium.
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