Preheat your grill or a grill pan over medium-high heat. Season chicken with mural of flavor. Cook chicken for 3 minutes per side or until 165 degrees. Set aside.
Preheat panini press to medium-high.
Mix mayo and pesto.
Brush one side of each slice of bread with olive oil.
On the non-oiled side of the bread, spread pesto-mayo on 2 slices, and sundried tomato pesto on the other. Top with chicken – trim if needed to fit. Top with provolone cheese. Close sandwiches.
Put chicken on panini press and cook for approximately 5 minutes until golden and cheese is melted.
Remove from panini press, slice in half and enjoy.