Landa proved his credentials in the Giro D'Italia last year , but his season so far has been hampered by illness .
Spaniard Landa is the new signing at Team Sky , and will be a key domestique for Froome throughout the three week race .
Spaniard Landa proved Froome 's credentials in the Giro D'Italia last year , but his season so far has been hampered by illness .
Spaniard Landa is the new signing at Team Sky , and will be a key domestique for Froome throughout the three week race .