Jannik Sinner Brings Back Fitness Coach Umberto Ferrara

Jannik Sinner, a top tennis player, brought back his fitness coach, Umberto Ferrara.

They previously stopped working together after Sinner tested positive for a banned substance.

Sinner said that things are different now and that he needed someone to know his body well.

He stated that Ferrara helped him with his mobility, stability, and endurance.

Sinner also mentioned that they worked together for two years prior to the break.

Sinner is currently playing in the Cincinnati Open.