England's Phil Salt, left, and Harry Brook celebrate after finishing the first innings on 304 runs against South Africa during the second International T20 Match at Emirates Old Trafford in Manchester, England.

England's Phil Salt celebrates reaching a century (100 runs) against South Africa during the second International T20 Match at Emirates Old Trafford in Manchester, England.

England's Jofra Archer fails to catch the ball of South Africa's Aiden Markram during the second International T20 Match at Emirates Old Trafford in Manchester, England.

England's Jos Buttler, right, strikes the ball for four runs against South Africa during the second International T20 Match at Emirates Old Trafford in Manchester, England.

South Africa's Kwena Maphaka makes a catch from England's Harry Brook but is deemed no catch after touching the boundary line during the second International T20 Match at Emirates Old Trafford in Manchester, England.

South Africa's Tristan Stubbs, center, celebrates after catching out England's Jos Buttler during the second International T20 Match at Emirates Old Trafford in Manchester, England.