Roberto Luongo won't be available for seven days or more.

The Florida Panthers placed Luongo on injured reserve Sunday, reports The Athletic's George Richards.

The veteran netminder was hurt Saturday night when teammate Frank Vatrano fell on his right leg. Luongo left the game and didn't return, and James Reimer came on in relief.

Florida initially deemed it a lower-body injury, but head coach Bob Boughner said postgame that Luongo will undergo further tests on his right knee.

A source told Richards that it may not be much more than a sprain. The IR designation requires Luongo to miss at least seven days, but it could be retroactive to Saturday's contest.

The Panthers are off Sunday and will practice Monday. Michael Hutchinson was reportedly recalled Sunday in a corresponding move.

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