Allen (knee) has been ruled out of Wednesday's preseason finale versus the Timberwolves, Michael Wallace of reports.

Allen has yet to play during the preseason, but all indications are that he'll be available by the time the regular season starts. The Grizzlies' opener is slated for Oct. 26 against the Timberwolves, so Allen will have a little over a week to get back to full strength. Vince Carter started for him in the Grizzlies' last preseason outing, so look for that to be the case again on Wednesday.

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