Grilled Italian Sausage with Marinated Tomatoes - Purnell's

Ingredients

• 1 1/2 tablespoons red wine vinegar
• 1 tablespoon balsamic vinegar
• 1/4 teaspoon salt
• 1/8 teaspoon fresh-ground black pepper
• 1 teaspoon dried oregano
• 1 teaspoon dried basil
• 1 1/2 tablespoons olive oil
• 3 vine-ripened tomatoes, each cut into 6 slices
• 1/3 red onion, thinly sliced
• 6 (4 ounce) Italian sausage links
• French rolls, halved lengthwise