The setback that made Jannik Sinner consider walking away from tennis
Jannik Sinner was banned for three months after testing positive for a banned steroid (AP)
World No. 1 tennis player Jannik Sinner has revealed he contemplated quitting the sport before accepting a three-month doping ban.
Sinner served the ban after winning the Australian Open, despite maintaining his innocence and claiming the banned substance clostebol, an anabolic steroid, entered his system through a massage.