Overview

• Filer has increased her average speed from 73mph at Trent Bridge to 75mph in Bristol and 76mph at The Oval.
• She recorded a 79.4mph delivery in the third T20 and dismissed top batter Smriti Mandhana to help secure a five-run victory.
• Team management instructed her to focus on raw pace and introduce slower deliveries only as needed.
• No woman has officially bowled at 80mph in international cricket, with South Africa’s Shabnim Ismail holding the current fastest mark of 79.54mph.
• England trail the series 2-1 and will depend on Filer’s speed under Tammy Beaumont’s captaincy to square the contest at Old Trafford ahead of the decider at Edgbaston.