Penalties are killing England, says Jonny May before next South Africa Test

• England wing vows players will clean up their act after meeting• ‘You might think it’s a silly penalty but it can change the game’England’s players have held a meeting to discuss their on-field discipline and vowed to clean up their act in the second Test against South Africa on Saturday.After four successive Test defeats the squad have acknowledged they urgently need to reduce their penalty count if South Africa are not to take an unassailable 2-0 lead in the series. Related: Eddie Jones: ‘We have to change the players’ behaviours and that isn’t easy’ Related: South Africa call up Sch…