A 52.4 dot ball percentage in the powerplay. A 7.5 powerplay economy. Both numbers rank elite among qualified IPL pace bowlers, and both come from a career sample of 4742 bowling balls. Trent Boult does not just take the new ball for Mumbai Indians. He suffocates scoring in the first six overs so thoroughly that MI's remaining bowlers inherit a lower required rate for the rest of the innings. His 0.29 regressed WAR per match makes him MI's second-most valuable bowler behind Bumrah.

New-Ball Specialist

The model assigns Boult 4 overs: 3 in the powerplay and 1 in the middle overs. That allocation reflects where his value concentrates. His bowling role fit score of 1.63 is strong, and the New Ball role score of 1.63 is far above his Middle (0.42) and Death (1.01) alternatives. Boult is a powerplay bowler. The model knows it and deploys him accordingly.

His role justification highlights four strengths, all tied to the powerplay. Elite PP dot percentage of 52.4, elite overall dot percentage of 43.5, elite PP economy of 7.5, and 62% of his deliveries concentrated in the powerplay. The model does not hedge. Boult's powerplay numbers are categorically elite.

Powerplay: The Complete Picture

More than half the balls Boult faces in the powerplay are dots. That 52.4 dot rate against a 46.2 league average means batters are not scoring off 6 percent more deliveries than they typically would. Across 3 powerplay overs, that translates to roughly 3 additional dots per spell. Extra dots mean extra pressure, which means more false shots, which means more chances.

His powerplay economy of 7.5 saves roughly 1.1 runs per over against the 8.6 league average. Over 3 overs, that is about 3 runs saved in the powerplay alone. MI's strategy of pairing Boult with Bumrah creates a bookend effect: Boult controls the first six overs, Bumrah controls the last four, and the middle overs become the only phase where opposition batters can truly score freely.

Beyond the Powerplay

Boult's single middle-overs over is a containment assignment. His overall dot percentage of 43.5 holds up across phases, suggesting he maintains discipline even when the field spreads. His Ecae of 0.65 ranks 15th among 54 qualified bowlers, putting him comfortably in the above-average tier.

His bowling WAR of 0.31 per match drives virtually all of his total value. With batting WAR of essentially 0, Boult is a pure bowling asset. The bowling surplus of 37 runs above replacement per season confirms the sustained value.

With 212 T20 matches across 14 seasons and a career WAR of 61, Boult's experience in high-pressure situations is substantial. He has bowled in playoffs, finals, and must-win games for multiple franchises. That composure under pressure does not show up in phase splits, but it matters when the tournament narrows.

2026 Projection

The model projects Boult at 0.43 WAR per match for 2026, a notable increase over his 0.29 regressed baseline. That upward projection reflects the growing value of powerplay control as scoring rates escalate across the league. When everyone else leaks runs, a bowler who concedes 7.5 per over in the first six becomes disproportionately valuable. His xImpact of 65 places him as a clear difference-maker.

As an overseas player, Boult occupies one of MI's four foreign slots. The justification is straightforward: no domestic bowler on MI's roster matches his powerplay profile. The Boult-Bumrah pairing gives MI control over the two most critical bowling phases, the first six overs and the last four, leaving only the middle overs as the window where opposition batters can truly attack. That structural advantage is worth the overseas slot.