Plans built only from the evidence.

Right-handed batters: economy of 4.26, 0.43 above their economy of 3.84 on all balls bowled (+11%) — allowing for sample size, that change is in the bottom 8% of comparable players (their median change: -1%) — 370 balls bowled.

Sample: 370 balls · medium confidence

West Indies: average of 79.0, 25.6 above their average of 53.4 on all balls bowled (+48%) — allowing for sample size, that change is in the bottom 13% of comparable players (their median change: -8%) — 281 balls bowled.

Sample: 281 balls · low confidence

Left-handed batters: average of 82.0, 28.6 above their average of 53.4 on all balls bowled (+54%) — allowing for sample size, that change is in the bottom 16% of comparable players (their median change: +3%) — 298 balls bowled.

Sample: 298 balls · low confidence

Old ball (21-80): strike rate of 65.5, 18.0 below their strike rate of 83.5 on all balls bowled (-22%) — allowing for sample size, that change is in the top 7% of comparable players (their median change: +5%) — 393 balls bowled.

Sample: 393 balls · medium confidence

Right-handed batters: average of 43.8, 9.5 below their average of 53.4 on all balls bowled (-18%) — allowing for sample size, that change is in the top 20% of comparable players (their median change: -2%) — 370 balls bowled.

Sample: 370 balls · medium confidence

Left-handed batters: economy of 3.30, 0.53 below their economy of 3.84 on all balls bowled (-14%) — allowing for sample size, that change is in the top 16% of comparable players (their median change: +1%) — 298 balls bowled.

Sample: 298 balls · low confidence