The Brazil veteran has supposedly been offered to the Catalan giants on a short-term deal, with the club looking to strengthen as their transfer ban ends in January.
Kaka has previously been regarded as one of the best players in the world, with his form at AC Milan the best of his career, though he struggled to replicate that during his time with Madrid.
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Still, according to Fichajes.net, Barcelona could be tempted to snap up the 33-year-old to enhance their options in the middle of the park.