You think people have to have a public communication between them to have a "dynamic". LOL. You googled the word and landed on the first definition. LOL. Jam Jam, you're really searching for something here.
The "dynamic" is not between Ben and Pitino, you f'n moron LOL. It's a dynamic exists within the Gopher Men's basketball program. The dynamic is the shift from one coach to another. Notice how when I said "see", I pointed at another program.
Merriam-Webster: Dynamic: a force or factor that controls or influences a process of growth, change, interaction, or activity
A factor (switching coaches from Pitino to Ben) that influences a process of growth, change, interaction or activity.
I know you probably did really bad in school. But if a word works for one of the definition, you can use it. The internet exists, you have no excuse to be this f'n stupid.