Melt butter in ungreased 13x9-inch pan. Sprinkle brown sugar evenly in pan. Arrange pineapple slices on brown sugar. Place maraschino cherry halves, cut side up, in center of pineapple slices.
Prepare cake mix following package directions for Basic Recipe. Pour batter evenly over fruit in pan. Bake at 350 degrees F. for 43 to 48 minutes or until toothpick inserted in center comes out clean. Cool 5 minutes in pan. Invert onto heat resistant serving plate.
Poke holes into cake, pour drained pineapple juice over cake.