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TORONTO — The problem facing Luke Weaver has been diagnosed.

As Saturday demonstrated, it has not been completely fixed.

Within the past month, the Yankees identified that the typically reliable righty was tipping his pitches. Weaver has attempted to halt relaying to hitters which pitch is coming by altering something — he and pitching coach Matt Blake declined to go into detail — in his setup or delivery. Pitching through this adjustment has proven difficult.

For a second time already this postseason, Weaver entered a game, faced three batters and retired none.

His October ERA is infinite,

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