Giant-Alpecin refuse LottoNL-Jumbo's offer to help Dumoulin at Vuelta a Espana

The latter stages of the Vuelta a España have, in years past, been marked by unspoken alliances along national lines – Pedro Delgado’s unseating of Robert Millar in 1985, for instance – but Tom Dumoulin’s Giant-Alpecin team has publicly refused the help of fellow Dutch squad LottoNL-Jumbo in defending his red jersey between here and Madrid.