Stuart Broad appeals unsuccessfully for lbw against his England team-mate Alastair Cook © Getty Images

Alastair Cook raced to a 35-ball half-century © Getty Images

Alastair Cook drives during his century © Getty Images

Alastair Cook was one of two Essex century-makers © Getty Images

Alastair Cook recorded his 10th List A hundred © Getty Images

Alastair Cook drives off the back foot © Getty Images

Alastair Cook helps out at Copdock Cricket Club for NatWest Cricket Force © Getty Images

Alastair Cook at Lord's after confirming his resignation as England captain © Getty Images

Alastair Cook at Lord's after confirming his resignation as England captain © Getty Images

Alastair Cook with his CBE © Getty Images

Alastair Cook received his CBE from the Prince of Wales © PA Photos

Alastair Cook's expression sums up his team's tour © Associated Press

Virat Kohli celebrates as Alastair Cook is caught at leg slip © Associated Press

Alastair Cook staves off a delivery by standing tall © Associated Press

R Ashwin beat Alastair Cook's outside edge frequently in the morning session © Associated Press

Karun Nair receives a handshake from Alastair Cook after his 303 not out © AFP

Alastair Cook had a frustrating day © AFP

England's series defeat has put more pressure on Alastair Cook © AFP