Dwight 1.2: Wins and losses both lead

Across the board improvement, including pitcher W and L that lead the field, and hitter wOBA trails only ZiPS.

Dwight 1.2 builds on the debut across batting and pitching. Pitcher W join the L lead from 1.1, and SB remain the main gap for the next release.

Pitching

Dwight adds the W lead to the lead in L it opened with. ERA, SO, BB and BABIP projections all improve as well.

Grouped bar chart of pitcher win and loss projection error for Dwight 1.2 and peer systems — Pitcher W and L MAE — Dwight 1.2 leads both. Projected MAE, adjusted for league average and weighted by player BF.

Rate	1.1	1.2	Δ
Pitcher W	.0848	.0822	−.0026
Pitcher L	.0775	.0755	−.0020
Pitcher ERA	1.075	1.061	−.014
Pitcher SO	.0325	.0321	−.0004
Pitcher BB	.0189	.0184	−.0005
Pitcher BABIP	.0304	.0301	−.0003

Batting

Home runs go from a narrow lead to alone at the top, and RBI projections sit just behind Steamer. Hitter wOBA improves past Steamer, with only ZiPS ahead, and hitter BABIP takes a major step forward.

Rate	1.1	1.2	Δ
Batter wOBA	.0273	.0266	−.0007
Batter HR	.0134	.0132	−.0002
Batter RBI	.0206	.0207	+.0001
Batter BABIP	.0301	.0285	−.0016
Batter SB	.0380	.0368	−.0012
Batter SO	.0309	.0306	−.0003

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