Complex sentence: In an effort to save the young fighter's life, R.P. Dickerson chartered a special train to take Stanley Ketchel to a hospital in Springfield, Missouri, but Ketchel died around 7 o'clock that night His last words were: I'm so tired.
Split into simpler sentences: In an effort to save the young fighter's life, R.P. Dickerson chartered a special train to take Stanley Ketchel to a hospital in Springfield, Missouri. But Ketchel died at approximately 7 o'clock that night His last words were: I'm so tired.