Marcus Smart is doing his best to make the Boston Celtics a professional team despite the abundance of youth in their roster.

Per Keith Smith of Yahoo Sports, Smart admitted that the team veterans are looking forward to the challenge of taking care of the young guys this upcoming season.

Smart is just 25 years old, yet he's already one of the older players in Boston. In fact, Smart is already the longest tenured Celtic on the roster.

The standout from Oklahoma State has established himself as one of the most important players on the Celtics. His leadership on and off the floor has become very valuable for Boston.

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Smart, as vocal as he is, leads by example through his hustle and tenacity especially on defense. He is certainly the kind of leader that head coach Brad Stevens wants the Celtics young prospects to look up to.

The Celtics have a bevy of rookies coming in, including the likes of Romeo Langford, Grant Williams, Carsen Edwards, and fan-favorite Tacko Fall.

Boston lost some key veteran pieces from last season, most notably, All-Stars Kyrie Irving and Al Horford. Irving signed with the Brooklyn Nets while Horford made his way to Philadelphia. Others key veterans the Celtics lost include Marcus Morris and Aron Baynes.

The Celtics welcomed All-Star guard Kemba Walker this past summer as Irving's replacement, while Enes Kanter will look to fill in the big shoes left by Horford.

Boston has a number of young studs who could have their breakout campaigns this season. Jayson Tatum will look to bounce back from an underwhelming sophomore season after having a promising debut campaign in 2017-18. Jaylen Brown will also look to establish himself as a potential building block for the Celtics.