A confident start from Joshua who takes full control of the centre of the ring and looks to find his range with several jabs to the body.
The former two-time world champion looks light on his feet as he dances out of reach of a Wallin overhand right as the Swede stumbles.
The British-Nigerian finishes out the opening round by trying to find a looping hand of his own but is slightly caught on the counter at the bell.
