Edinburgh head coach Richard Cockerill feels there could be some nervous moments for his players who are contenders for the Lions.
Edinburgh have boosted their backline stocks by signing utility back Henry Immelman, who will join them from Top 14 outfit Montpellier.
Video highlights from the opening round of the PRO14 Rainbow Cup.
There were wins for Connacht and Edinburgh over Ulster and Zebre in the opening PRO14 Rainbow Cup games that took place on Friday.
The PRO14 Rainbow Cup gets underway on Friday with Edinburgh and Ulster playing host to Zebre and Connacht in their respective fixtures.
South African teams will not compete as planned in the PRO14 Rainbow Cup and will now play games against each other in a “dual tournament”.
PRO14 side Edinburgh have announced the signing of huge second-row Pierce Phillips, who will arrive from Top 14 team Agen in the summer.