Running back Chris Ivory was unexpectedly hospitalized Sunday morning and missed the Jaguar's opener against the Packers.
ESPN reported that Ivory was admitted to the hospital with a "general medical issue" unrelated to his injured calf.
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NFL Network's Ian Rapoport reported that Ivory's availability for Week 2 is also in question, and he will be reevaluated later this week.
T.J. Yeldon got the start for the Jaguars in Ivory's place.