Complex sentence: Barnes, needing 20 pins to tie, spared in the tenth and needed a strike on his final throw to force extra frames, but left the 4 pin standing to give Haugen his first career major victory.
Split into simpler sentences: Barnes, needing 20 pins to tie, spared in the tenth and needed a strike on his final throw to force extra frames. But he left the 4-pin standing to give Haugen his first career major victory.