Complex sentence: Kuo led all National League relievers with an ERA of 1.69, in 39 games as a reliever, he allowed only 49 hits in 69 and 1/3 innings, striking out 86 batters, while limiting the opposition to a.204 average.
Split into simpler sentences: Kuo led all National League relievers with an ERA of 1.69. In his 39 relief appearances, he allowed only 49 hits in 69 1/3 innings, striking out 86 batters, while limiting the opposition to a.204 average.