Mumbai Indians bowler Mitchell Mcclenaghan celebrates the wicket of Rising Pune Supergiants batsman Rahul Tripathy during the first play off match of IPL. Pic/AFP

A majority of players who will turn out for their national teams in the ICC Champions Trophy have been playing in the Indian Premier League (IPL), so they will need to make a few rapid changes in terms of both adjustment and attitude as they switch from the 20-over format to the 50-over one.