The 2011 Indian Premier League season, abbreviated as IPL 4 or the IPL 2011, was the fourth season of the Indian Premier League, the top Twenty20 cricket league in India. The tournament was hosted in India and the opening and closing ceremonies were held in M. A. Chidambaram Stadium, Chennai, the home venue of the reigning champions Chennai Super Kings. The season ran from 8[1] April to 28 May 2011. This season the number of teams in the league went from eight to ten with the additions of the Pune Warriors India and the Kochi Tuskers Kerala.

The tournament was won by the Chennai Super Kings for the second successive season defeating Royal Challengers Bangalore by 58 runs in the final in Chennai, with the winning team's Murali Vijay being named Man of the Match. With this win CSK became the first, and till 2014 the only team to have won the IPL on more than one occasion. Despite Bangalore failing to win the title, one of the team's players, Chris Gayle was named as the tournament's best player. He scored 608 runs in twelve innings – the most in the tournament – as well as picking up eight wickets, having joined the team after the start of the season due to an injury to another overseas player, Dirk Nannes.[5] Mumbai Indians' Lasith Malinga set a new record for most wickets taken within an Indian Premier League season, claiming 28 wickets during the campaign,[6] but Mumbai had to settle for third place in the tournament, having lost to Bangalore in the second qualifier. Chennai, Bangalore and Mumbai represented India in the Champions League 2011 tournament in September. The Fair Play Award was again won by the Chennai Super Kings for topping the fair-play table.

The 2018 season of the Indian Premier League, also known as IPL 11 and branded as Vivo IPL 2018 , was the eleventh season of the IPL, a professional Twenty20 cricket league established by the BCCI in 2007. The season, which was held from 7 April to 27 May, saw the return of the Chennai Super Kings and the Rajasthan Royals after serving two years of suspension for the involvement of their respective owners in the 2013 IPL betting case. Star Sports purchased the media rights at ₹16,347.5 crore ($2.55 billion) for five years starting from 2018. The tagline was Best vs Best.

Chennai Super Kings won by 8 wickets against Sunrisers Hyderabad in the final to win their third title. Sunrisers Hyderabad captain Kane Williamson won the Orange Cap for the leading run-scorer of the tournament with 735 runs. Andrew Tye, of Kings XI Punjab, was awarded the Purple Cap for finishing as the leading wicket-taker of the tournament with 24 wickets. Sunil Narine of Kolkata Knight Riders was named Most Valuable Player, also known as Man of the Series, while Rishabh Pant of Delhi Daredevils was named the Emerging Player of the Series.