England v N Zealand, 3rd Test, Trent Bridge, 1st day
Pietersen ton revives England
Alastair Cook's nervous stay at the crease was cut short when he left a massive gap between bat and pad •Getty Images
Gareth Hopkins was getting into the swing on his Test debut•Getty Images
It was just reward for O'Brien, who bowled a tidy spell after New Zealand opted to include him over Tim Southee•Getty Images
O'Brien enjoyed further success after the interval, dismissing Ian Bell for a duck•Getty Images
Pietersen, however, only grew in confidence with his back against the wall•Getty Images
Ambrose shrugged off a poor series with a gutsy knock and moved past his own fifty after tea•Getty Images
Kyle Mills was the successful bowler on that occasion, and New Zealand had a breakthrough in the sixth over•Getty Images
Michael Vaughan had a tough start against Mills but played some gorgeous shots soon after... •Getty Images
Plenty to ponder for Vaughan after another rash dismissal •Getty Images
Mills followed with Paul Collingwood caught at slip, also for 0 ...•Getty Images
Pietersen, with Tim Ambrose for company, crossed fifty as England fought back•Getty Images
But the star was Pietersen, who scored a century ...•Getty Images
... except one expansive drive too many got him cleaned up by Iain O'Brien•Getty Images
Kevin Pietersen helped England to lunch without further loss, the score 84 for 2•Getty Images
... and Collingwood's form woes continued•Getty Images
Pietersen and Ambrose remained together for the remainder of the session, taking the score to 180 for 5•Getty Images
... and celebrated in style•Getty Images