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Quinn Cook will take over much of the point guard responsibilities next year, splitting them with Tyler Thornton (not pictured).
When Duke has had effective outside shooters, which Sulaimon certainly is, there is a noticeable spike in the point guard's assist numbers. Sulaimon's arrival will also allow Quinn Cook and Tyler Thornton to play more of a pure point, something Duke has not had either of the last two seasons.
The best example of this is Greg Paulus. Paulus played with J.J. Redick during his freshman season and handed out a career-best 187 assists (5.2 per game). After Redick left Paulus' numbers dropped to 3.8 assists per game as a sophomore and 3.2 as a junior.
Not to compare Sulaimon to Redick, which is simply unfair, but his shot-making ability will have a similar effect on the team.
Austin Rivers was a ball-stopper. Once the ball was in his hands, everything stopped as he tried to make an individual move to beat his man. Sulaimon's skill set will encourage more ball movement, which has always been a barometer for good Duke teams.
The 2010 National Championship team ranked 15th in the country in assists (555), and the 2001 team ranked first (701).