Cummins concerns and weaknesses to target - takeaways from SA-Australia

South Africa and Australia have concluded an enthralling Test series, with England closely monitoring the action ahead of facing both sides over the next 12 months. Key observations include concerns surrounding Australia captain Pat Cummins, as well as tactical weaknesses identified in both teams that England could look to exploit. The BBC Sport analysis highlights specific takeaways that could shape England's planning for upcoming Test matches against both nations.