The 25-year-old will move for a fee of ÂŁ45million.
Hopes of a fully fit line-up at this year's Tour de France are hanging by a thread after an outbreak of Covid-19 cases tore through the Tour de Suisse peloton.
It is only 25 minutes from the centre of Doha, costing the equivalent of ÂŁ10 in a taxi, but the fishing town of Al Wakrah is still one of the 2022 World Cup outposts.