On this page we have all the possible answers for Former Yankees slugger who in his 2012 children’s book is a young baseballer learning the value of practice 2 wds
This clue is the most likely answer that we have found, although there might be some other answers as well that you may want to take into consideration for "Former Yankees slugger who in his 2012 children’s book is a young baseballer learning the value of practice 2 wds".