Wales sevens playmaker Lee Williams is among the four changes to Gareth Williams' squad for the upcoming rounds of the HSBC Sevens World Series in Dubai and South Africa.
Having reached the quarterfinals at the opening round on the Gold Coast, Wales now welcome back veteran Williams along with Ospreys duo Lloyd Evans and Aled Jenkins and will again be captained by Jevon Groves.
Meanwhile, new Canada sevens coach Liam Middleton has been able to recall some key players as he prepares for his first tour.
Phil Mack and Sean White have been called in, having missed the season opener on the Gold Coast in October.
The Dubai 7s kicks off this Friday with the Vodafone Fiji 7s team taking on France in their first pool match at 6.44pm.
They will later meet Brazil at 9.44pm.
Their last pool match is against Argentina at 1.52am Saturday.
The Cup quarterfinals start at 8pm Saturday, the Cup semifinals are at 1.55am Sunday while the Cup final kicks off at 3.42am.
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