Tim Ludeman carved out the fastest fifty in the Big Bash League, Adelaide Strikers v Melbourne Stars, Big Bash League, Adelaide December 18, 2014© Getty Images
Kevin Pietersen, batting with a helmet camera, struck a half-century, Adelaide Strikers v Melbourne Stars, Big Bash League, Adelaide December 18, 2014© Getty Images
Hashim Amla raises his bat for his double century, South Africa v West Indies, 1st Test, Centurion, 2nd day, December 18, 2014© AFP