Take a look at all 16 teams teams that made the playoffs. Every single of them has some type of veteran presence helping to guide the younger guys through tough stretches of the season. Monta Ellis on the Pacers and Joe Johnson on the Jazz are prime examples. They are two players who were signed via free agency to mentor the young members of their respective teams. These players affect the game in ways that go beyond the numbers. Both players can be put into any scenario to help slow down the flow of the game
Randy Foye served this role for the Brooklyn Nets this season.