Add Robert Williams' contract situation to the long list of challenges for Brad Stevens in his first few months as Boston Celtics general manager.

Williams made the most of every minute on the court this season. Averaging 18.9 minutes in 52 games played, the Celtics big man notched career-highs in points per game (8.0), rebounds (6.9), blocks (1.8), and assists (1.8).

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While injuries continue to be a concern, Williams showed his lofty potential as he enters the final year of his rookie contract and may have earned himself an extension this offseason. Before that can happen, there are a number of variables with Williams' situation that Stevens and the C's must consider.

ESPN NBA Front Office Insider and former Brooklyn Nets assistant GM Bobby Marks joined Chris Forsberg on a recent episode of the Celtics Talk Podcast to share his perspective.