Complex sentence: Pádraig Harrington successfully defended his Open Championship title, his second; he shot four under par over the final nine holes and was four strokes ahead of runner-up Ian Poulter.
Split into simpler sentences: Pádraig Harrington successfully defended his Open Championship title for his second Open title. Harrington shot four under par on the back nine in the final round to finish four strokes ahead of runner-up Ian Poulter.