Watch footage from the first of three intense training sessions on day one of Sunderland's pre-season training camp.
Based in Austria, the Lads swapped the pitch for the pool on Friday morning to kick-start their day.
Watch footage from the first of three intense training sessions on day one of Sunderland's pre-season training camp.
Based in Austria, the Lads swapped the pitch for the pool on Friday morning to kick-start their day.