Liverpool have made a £21m offer for Atletico Madrid's Brazilian striker Diego Costa.The offer is understood to have
triggered the 24-year-old Brazilian's
release clause and Liverpool manager Brendan Rodgers is hopeful of completing the deal swiftly.
Costa who joined Atletico from Valladolid in 2010, scored 10 goals in the Primera Liga last season.
The striker made his international debut in March this year.
Liverpool have resisted Arsenal's attempts to sign striker Luis Suarez this summer and have also signed Iago Aspas from Celta Vigo
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