The Proteas are undoubtedly on an upward trajectory, but their growing tendency to start series poorly and recover later is not sustainable, says fast bowler Kagiso Rabada.

After a shock defeat in the opening match in Centurion, bowling spearhead Rabada put in a match-winning performance to help SA win the second ODI against Bangladesh at the Wanderers on Sunday and level the three-match series.

It was a repeat of the faulty start seen against India this year as SA battled back from losing the opening Test to win the three-match series 2-1, and against New Zealand in Christchurch last month as SA turned the tables on the Kiwis and won the second Test to draw the series 1-1 having been humiliated in the first match...