Complex sentence: He captained the Irish team to their first Grand Slam in the 1948 Five Nations Championship and was one of eight players from that team who lived to see the country's next Grand Slam in 2009.
Split into simpler sentences: He captained the Irish team to their first Grand Slam in the 1948 Five Nations Championship. Mullen was one of eight players from the 1948 Ireland Grand Slam team who lived to see the country's next Grand Slam in 2009.