#7 Coming back in 2018 after a 14-month maternity leave and playing in three majors and reaching two grand slam finals would be a great year for most professional tennis players, but not for Serena Williams.  What lands Serena in another REAL SPORTS Most Important Moments in Sports review are the controversies that embroiled her year.  The first, the controversy at the French Open over her catsuit, in part for medical reasons, was followed up with a claim by the umpire of coaching from her box at the US Open. It was the later which sent Serena over the edge.  For any competitor who has put everything into their chosen profession, a claim at the core of their values can be enough to set one off.  Watch the post match interview here.