The Colombia forward scored in the 20th minute of Sunday's match and went to celebrate in front of Boca supporters by drawing an imaginary diagonal stripe across his shirt.
Gutierrez used to play for Boca's arch-rivals River Plate and the gesture was a clear reference his former club's white shirts with red diagonal stripe.
Furious Boca players surrounded Gutierrez, pushed and shoved him and knocked him to the ground. Rosario players then leapt to his defence, causing a brawl which lasted several minutes before Gutierrez and Boca's Ricardo Centurion were both sent off.
There was another scuffle as the pair left the pitch before Gutierrez made another provocative gesture by holding his nose.
It was a reminder of the late River playmaker and coach Angel Labruna who would walk onto the pitch at La Bombonera holding his nose during the days when the surrounding area used to be prone to flooding which caused the sewers to overflow.
Boca coach Guillermo Barros Schelotto said his players should have got on with the game, which ended 1-1.
"Everyone knew that he was going to be sent off, so if we hadn't reacted like that, it would have been 11 against 10," he said. "We have to be above that sort of thing. We can't make those mistakes."
(Writing by Brian Homewood in Berne)
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