Jannik Sinner says he considered walking away from tennis over doping ban
By Ben Morse and Sharon Braithwaite, CNN (CNN) — Tennis star Jannik Sinner revealed he considered walking away from the sport over his recent doping suspension. The world No. 1 is approaching the end of a three-month ban having twice tested positive for banned substance Clostebol, an anabolic steroid, in March last year. The three-time
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