Plans built only from the evidence.

Left-handed batters: average of 31.8, 13.1 above their average of 18.8 on all balls bowled (+70%) — allowing for sample size, that change is in the bottom 9% of comparable players (their median change: +2%) — 271 balls bowled.

Sample: 271 balls · low confidence

Middle (11-40): economy of 4.18, 0.45 below their economy of 4.63 on all balls bowled (-10%) — allowing for sample size, that change is in the top 23% of comparable players (their median change: -3%) — 504 balls bowled.

Sample: 504 balls · medium confidence

Right-handed batters: average of 16.6, 2.2 below their average of 18.8 on all balls bowled (-12%) — allowing for sample size, that change is in the top 27% of comparable players (their median change: -1%) — 407 balls bowled.

Sample: 407 balls · medium confidence

Left-handed batters: economy of 4.23, 0.40 below their economy of 4.63 on all balls bowled (-9%) — allowing for sample size, that change is in the top 14% of comparable players (their median change: +1%) — 271 balls bowled.

Sample: 271 balls · low confidence