> Both home runs-per-game and runs-per-game are down about 20 percent from their early-2000s highs. Strikeouts are up about a fifth.

There's an english style guideline that says if you need to use a concept more than once, you should use a different word every time, lest you seem like the sort of clod who only knows one word. But doing it with numbers feels like a purposeful attempt to mislead the reader.