Most sixes by a batsman in an IPL innings?

Question

What’s the most sixes hit by a batsman in an innings in the IPL? Matthew Hayden hit seven against Delhi today, but there must be more?

Answer 1

Brendan McCullum holds the record. The New Zealander hit 13 sixes on the way to his record IPL score of 158 not out during the competition’s first season.