Complex sentence: Oregon State went undefeated through the College World Series, as they won all three games in their four-team bracket and defeated North Carolina in two games in the best-of-three championship series.
Split into simpler sentences: Oregon State went undefeated through the College World Series, posting a 5-0 record. The Beavers won all three games in their four-team bracket and then defeated North Carolina in two games in the best-of-three championship series.