Aston Villa hopeful of sealing club-record transfer for £50m-rated Bayer Leverkusen forward Moussa Diaby - after Unai Emery zeroed in on Bundesliga star

Diaby is valued at close to £50million by the Bundesliga club, which would comfortably break Villa's transfer record - the £40m paid to Norwich for Emiliano Buendia two years ago.