While Dutch tactician Koeman admits he would love to bring the former Real Madrid and Inter Milan man to St Mary's, he is well aware of the financial restraint the transfer would place on the south coast club.
"Of course we are interested, but we can't pay him," said Koeman.
"I know how much he makes because we have the same agent. He would put us way over our budget."
For breaking stories and all the great banter like us on Facebook: facebook.com/tribalfootball