Prepare Tyson chicken according to package directions. Place 2 slices of cheese on each chicken breast and warm an additional 4-5 minutes, or until cheese melts. Set aside and keep warm.
Preheat a Panini Press to med-high heat.
Slather one piece of bread with pizza sauce and sprinkle with oregano. Spread second piece of bread with pesto sauce. Add chicken to one slice of bread, top with tomato and other slice of bread.
Brush the outside of sandwich with olive oil and place on the hot Panini press. Press for 5-7 minutes until the top of the bread is golden brown. Repeat for the remaining sandwiches.
Serve and enjoy!