2017–18 LEN Champions League
The 2017–18 LEN Champions League was the 55th edition of LEN's premier competition for men's water polo clubs . 
<triplet> 2017–18 LEN Champions League <subj> LEN <obj> organizer <subj> water polo <obj> sport <triplet> LEN Champions League <subj> LEN <obj> organizer <subj> water polo <obj> sport