What are some of the controversies in IPL history?

The IPL has seen several controversies. In 2008, MI's Harbhajan Singh slapped KXIP's Sreesanth and was banned for the remaining season. In 2012, KKR co-owner Shah Rukh Khan had heated spat with a security personnel. In 2019, MS Dhoni stormed onto field to argue with umpires. The 2013 spot-fixing scandal is one of the biggest IPL controversies.