Matthew Hayden believes Tristan Stubbs could be South Africa's 'X-factor' in the World Test Championship final against Australia, drawing comparisons to Kevin Pietersen. Stubbs, who may bat at number five, recently played for Delhi Capitals in the IPL 2025, scoring 300 runs.source https://timesofindia.indiatimes.com/sports/cricket/news/tristan-stubbs-south-africas-potential-x-factor-in-wtc-final-says-mathew-hayden/articleshow/121724434.cms