5. Dave Sisi (Italy)
Germany-born Sisi, 25, who moved from English club Bath to Italian Pro 14 side Zebre in 2017, made 14 appearances for England’s youth side between 2012 and 2013.
He then was called up and made his international debut during the 2019 Six Nations. The lock is of Italian descent and qualifies to play for Italy through his grandparents.
6. Kieran Treadwell (Ireland)
Before joining Irish province Ulster ahead of the 2016–17 Pro12 season, Treadwell played for English side Harlequins, having come through their Academy as a youth.
He qualifies for Ireland through his Irish mother and represented the country at Under-18 level, before representing England at Under-20 level.
On 16 May 2017, when Ireland Head Coach Joe Schmidt named his squad for the 2017 Summer Tour, he gave Treadwell his first senior international call-up.