Plans built only from the evidence.

Left-handed batters: average of 54.7, 14.0 above their average of 40.7 on all balls bowled (+34%) — allowing for sample size, that change is in the bottom 13% of comparable players (their median change: +2%) — 1173 balls bowled.

Sample: 1,173 balls · high confidence

Left-handed batters: economy of 5.88, 0.30 above their economy of 5.58 on all balls bowled (+5%) — allowing for sample size, that change is in the bottom 24% of comparable players (their median change: +1%) — 1173 balls bowled.

Sample: 1,173 balls · high confidence

New Zealand: average of 50.4, 9.7 above their average of 40.7 on all balls bowled (+24%) — allowing for sample size, that change is in the bottom 29% of comparable players (their median change: +2%) — 510 balls bowled.

Sample: 510 balls · medium confidence

Right-handed batters: average of 35.3, 5.4 below their average of 40.7 on all balls bowled (-13%) — allowing for sample size, that change is in the top 10% of comparable players (their median change: -1%) — 2111 balls bowled.

Sample: 2,111 balls · high confidence

England: average of 38.3, 2.4 below their average of 40.7 on all balls bowled (-6%) — allowing for sample size, that change is in the top 26% of comparable players (their median change: +4%) — 1781 balls bowled.

Sample: 1,781 balls · high confidence

Pakistan: average of 35.9, 4.8 below their average of 40.7 on all balls bowled (-12%) — allowing for sample size, that change is in the top 27% of comparable players (their median change: +3%) — 408 balls bowled.

Sample: 408 balls · medium confidence