Mamelodi Sundowns returned to the top of the Betway Premiership standings with a hard-fought 1-0 victory over Polokwane City in Seshego, while Kaizer Chiefs suffered a disappointing 2-0 defeat to Siwelele FC in Bloemfontein on Wednesday evening, ending their impressive unbeaten run. Masandawana reclaimed first place after a tense encounter in which they were forced to work hard for all three points. Proved decisive After struggling to break down…