What is the fine-grained topic of the following text: He walks a few too many (4.18 BB/9 and 10.6 BB%) is both fly ball (36.8% grounders) and homer (1.11 HR/9 and 10.1 HR/FB%) prone, though he does get strikeouts (8.91 K/9 and 22.7 K%). Only return the topic.
Baseball statistics analysis