<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.chelsea wamemnunua kepa arrizabalaga kutoka athletic bilbao kwa 71m - ada ya juu zaidi kuwahi kulipwa katika uhamisho wa mlinda lango duniani.  <response>: football - chelsea have signed kepa arrizabalaga from athletic bilbao for 71m - the highest fee ever paid for a goalkeeper, and a club record transfer. 