This week’s obscure but telling facts from statistician Chuck Waseleski of Millers Falls (through Friday):

50

Jacoby Ellsbury has scored 50 runs when leading off innings.

.033

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Jake Peavy has retired 30 of the 32 batters he has faced in the first inning. Opponents are batting .033 against him in the first.

77-23

The Red Sox have outscored opponents, 77-23, when Clay Buchholz is pitching.

1.97, 7.40

Jon Lester’s ERA is 1.97 when he retires the leadoff batter, 7.40 when the leadoff batter reaches base.