Both series consists of a cast of male characters with a dominant personality with unseen or unusual talent or you can say there own quality related to there own Sport.. They also have rivalries with certain other characters that brings out something between them like fights , emotions , there past etc . Even so both series also seems to have a building of friendship between certain characters.
Read more at http://myanimelist.net/anime/18507/Free!#92reuWBeA9RCH3x4.99
