Juan, 22 played 25 times (+ 11 as sub) and scored five goals for Ipswich Town during a loan spell in the 2005-06 Championship season, scoring against the Blades at Portman Road with that spectacular free-kick before Danny Webber drew level.
It is believed that a sum of £500,000 will be offered for the French born midfielder and this would be enough to take Juan to Bramall Lane.