Leganes then sealed the victory during the final 13 minutes as Ruben Pena scored before Eraso netted twice to complete his hat-trick.
May 31, 2015 at 5pm UK at Mini Estadi, Barcelona
Barcelona BBarcelona B
Result: Barcelona B thrashed by Leganes
Barcelona B's dismal Segunda Division campaign finishes with a 5-2 loss at home to Leganes.
Result: Leganes too strong for Barca B>
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