Mrazek (groin) is expected to join AHL Toronto on a conditioning assignment, David Alter of The Hockey News reports.

Mrazek has played just twice this season, in part due to his groin issue, but seems to be trending in the right direction. Barring any setbacks during his stint in the minors, Mrazek could see action in the Leafs' back-to-back Dec. 18-19 against Vancouver and Seattle, respectively.

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