Swansea on Thursday signed Ecuadorian winger Jefferson Montero on a four-year deal from Mexican club Morelia. Montero becomes the Swans’ sixth signing of the summer, following former Arsenal goalkeeper Lukasz Fabianski, French striker Bafetimbi Gomis, Dutch striker Marvin Emnes, Scottish defender Stephen Kingsley, and Icelandic forward Gylfi Sigurdsson.