Answered January 10th, 2020

Patrick Mahomes had the most passing yards in a game versus the Rams in 2018, with 478 yards on November 19, 2018.

who had the most passing yards against the los angeles charges in a game in the 2018 season
Interpreted as:
Who had the most passing yards against the los angeles charges in a regular-season game in the 2018 season?

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