4. Harbhajan Singh and S Sreesanth
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Coming back to the first season of IPL, this has remained one of the most talked about incidents in the history of the IPL. Because, there was actual physical contact between two Indian cricketers, unlike the other banters which were mainly verbal.
The incident happened just after Kings XI Punjab defeated Mumbai Indians. It is believed that Sreesanth poked Harbhajan about the loss. As a result of that, angry Bhajji landed the back of his hand to slap the bowler from Kerala pacer.
Though the actual incident was never aired or seen, the images of teary-eyed Sreesanth occupied television screens and print media for a long time. Social media picked up the occurrence and kept it fuelled for some more time.