Plans built only from the evidence.

Left-handed batters: average of 49.7, 28.7 above their average of 21.0 on all balls bowled (+137%) — allowing for sample size, that change is in the bottom 2% of comparable players (their median change: +3%) — 323 balls bowled.

Sample: 323 balls · low confidence

New ball (1-20): strike rate of 88.0, 42.5 above their strike rate of 45.5 on all balls bowled (+94%) — allowing for sample size, that change is in the bottom 11% of comparable players (their median change: +5%) — 264 balls bowled.

Sample: 264 balls · low confidence

Right-handed batters: average of 12.4, 8.6 below their average of 21.0 on all balls bowled (-41%) — allowing for sample size, that change is in the top 2% of comparable players (their median change: -2%) — 268 balls bowled.

Sample: 268 balls · low confidence

Old ball (21-80): strike rate of 38.9, 6.6 below their strike rate of 45.5 on all balls bowled (-15%) — allowing for sample size, that change is in the top 15% of comparable players (their median change: +5%) — 272 balls bowled.

Sample: 272 balls · low confidence