Plans built only from the evidence.

Left-handed batters: economy of 8.23, 1.26 above their economy of 6.97 on all balls bowled (+18%) — allowing for sample size, that change is in the bottom 11% of comparable players (their median change: +2%) — 290 balls bowled.

Sample: 290 balls · low confidence

Left-handed batters: average of 28.4, 8.7 above their average of 19.7 on all balls bowled (+44%) — allowing for sample size, that change is in the bottom 14% of comparable players (their median change: +3%) — 290 balls bowled.

Sample: 290 balls · low confidence

Right-handed batters: economy of 6.44, 0.53 below their economy of 6.97 on all balls bowled (-8%) — allowing for sample size, that change is in the top 4% of comparable players (their median change: -1%) — 564 balls bowled.

Sample: 564 balls · medium confidence

Right-handed batters: average of 16.8, 2.9 below their average of 19.7 on all balls bowled (-15%) — allowing for sample size, that change is in the top 6% of comparable players (their median change: +0%) — 564 balls bowled.

Sample: 564 balls · medium confidence

Away from home: average of 17.6, 2.1 below their average of 19.7 on all balls bowled (-11%) — allowing for sample size, that change is in the top 11% of comparable players (their median change: +1%) — 476 balls bowled.

Sample: 476 balls · medium confidence

Middle (7-15): economy of 6.40, 0.57 below their economy of 6.97 on all balls bowled (-8%) — allowing for sample size, that change is in the top 13% of comparable players (their median change: -2%) — 559 balls bowled.

Sample: 559 balls · medium confidence