Aryna Sabalenka opens up on regret over her actions in the wake of ex-boyfriend Konstantin Koltsov's death -
Aryna Sabalenka has opened up on the mental turmoil she endured in the wake of the tragic death of her ex-boyfriend. Former NHL player and fellow Belarusian Konstantin Koltsov died at the age of 42 after falling from a balcony on the 23rd floor of a Miami …