Greg Rutherford keeps up winning habit with victory in Manchester

• World and Olympic champion jumps 8.20m to take fifth victory of 2016
• 40-year-old Kim Collins runs 10.08sec to win stacked field in 100mWinning remains an unshakable habit for Greg Rutherford, who defied jet lag, spitting winds and a rickety jumping board, to win his first competition in Britain since becoming the world champion in Beijing last year.An impressive leap of 8.20m into a headwind not only brought Rutherford his fifth victory of 2016 but ensured his unbeaten record, whic