The team confirmed he was out for the remainder of the contest with a knee injury, and ESPN's Lindsey Thiry reported the team's trainers had placed an air cast on his right leg.
Jackson went down after receiver Marquise Goodwin caught a 23-yard touchdown on the left sideline with 1:40 left in the second quarter. Jackson immediately grabbed his right leg.
The Chargers signed Jackson this past offseason to a five-year, $82.5 million contract.
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