I love Gatti , but come on . Prime Paulie took Cotto 12. Gatti never beat anyone near Paulies level at 140 and above. A clear decision for the magic man.
An extermely boring fight with Gatti chasing Malignaggi around the ring for 12 rounds, could go either way, with Gatti hitting him and putting him on his bicycle early, or with Malignaggi boxing and moving and getting a decision. Either way the fight would be very boring.