Complex sentence: Following his club success O'Driscoll was named manager of the Kerry minor football team in 2010, however after two years in charge Kerry failed to even win a Munster Championship and O'Driscoll steped down after the 2011 season.
Split into simpler sentences: Following his club success O'Driscoll was named manager of the Kerry minor football team in 2010. But after two years in charge Kerry failed to even win a Munster Championship and O'Driscoll steped down after the 2011 season.