This article references Alex Len, Chris Kaman, Hassan Whiteside, J.J. Hickson, Robin Lopez, Rudy Gobert, SP, Timofey Mozgov and more! Sitting right here in the middle of the 2014-15 NBA season, the waiver wire has taken its typical place in the weekly/daily routine of fantasy basketball managers. The following centers, whether of the "sleeper" variety or just cashing in temporarily on an unforeseen opportunity, almost certainly deserve attention across the various formats during Week 13 of the campaign.Position Eligibility & Ownership Rate Based on Yahoo! Fantasy Basketball Player List Waiver Wire Center[...] Keep on reading: Week 13 Fantasy Basketball Waiver Wire: NBA Centers