Pietersen teaching England how to face spin, says Brook

"He's enjoying the role, he's enjoying himself …

He was a hero to ​many of us growing up, so it's good to have a man of his ​calibre in our side."The 27-year-old said Pietersen had held a masterclass for the squad on playing spin, adding: "A lot of it was about picking the length of spin.

That is key to facing ​spin and being able to rotate strike as well as possible."In ODI cricket ​that's an area we probably need to improve as a side.

It can make a massive difference ‌to ⁠winning games of cricket."He (Pietersen) was a hell of a player against spin, alongside (Joe) Root and (Marcus) Trescothick.

They were very good players at playing spin, so it's about picking their brains and asking them what worked for them and putting that into your ​game."England next host Sri ​Lanka in a ⁠three-match one-day international series, beginning later on Tuesday."We can take a hell of a lot of confidence from being unbeaten in ​the T20s," Brook said."Going into this ODI series we want more ​of the ⁠same.

We're trying to play a higher-octane style of cricket and put them under pressure with bat and ball."We want to be one of the fittest sides in the ⁠world. ​To do that, we've got to work hard on ​and off the field.

We are trending in the right direction.

There are a few touches here ​and there which we can improve."

He is appointed as a specialist mentor to the white-ball teams.