Drew Bledsoe has the most passing yards + passing yards for the Bills in a game, with 926 against the Vikings on September 15, 2002.

who had the most passing + yards for the buffalo bills in a + game, minimum of 300+ passing + yards
Interpreted as:
Who had the most passing + passing yards for the buffalo bills in a + regular-season game, minimum of 300+ passing + passing yards?

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