(Photo by Clive Brunskill/Getty Images)Sunderland are considering another defensive addition before the new season, with Sassuolo left-back Josh Doig emerging as a potential target for Régis Le Bris. The interest makes sense after Dennis Cirkin’s departure left Sunderland with an obvious reason to strengthen the left side of their defence. Sunderland interested in move for Sassuolo defenderAccording to the Daily Record, as relayed by Sunderland Echo, Sunderland have registered an interest in Doig as they assess their options ahead of the opening weeks of the campaign. Olympiakos can also offer European football, so Sunderland cannot assume Premier League status will automatically win the race. If the price remains reasonable, Doig looks like the kind of practical, upward-moving signing Sunderland should seriously consider before rival clubs take the opportunity away.