Ralf Rangnick admits Manchester United are not expected to sign unvaccinated players - because of the health risks involved.Liverpool rival Jurgen Klopp claimed clubs will be reluctant to sign stars who haven't been jabbed, as the Covid crisis continues to run amok through football.A host of players have contracted the virus, forcing a growing number of games to be postponed.United interim boss Rangnick agrees with German compatriot Klopp and says United may turn their back on unvaccinated players, because of all the negative consequences it could bring.Rangnick, whose side travel to Newcastle on Monday, said: "Yes, I think it could be a consideration and I fully understand what Jurgen said."But it also depends if you want to sign a player.