Ireland regroup for South Africa decider after Robbie Henshaw flies home

• Team manager confirms Henshaw has returned home due to knee injury• Joe Schmidt opts against calling up a replacement for Port ElizabethIreland will be without Robbie Henshaw for the third and final Test against South Africa in Port Elizabeth on Saturday. The Connacht centre, who moves to Leinster this summer, will have scans on a knee injury in the coming days after flying home on Sunday night. Joe Schmidt will not call up a replacement for the 23-year-old, who started both of the games on tour at outside-centre, due to the logistics of travel involved, and he has options for the deciding T…