Shea Charles' stunning 85th-minute winner secured Southampton's spot in the Cup semi-finals. Southampton's victory over Arsenal sends shockwaves through the Premier League. Shea Charles has been in phenomenal form since joining Southampton on loan from Swansea City in January. Southampton's squad strength, bolstered by shrewd loan signings, has been a key factor in their cup run. Southampton's victory over Arsenal marks a rare win for a team from the lower half of the Premier League table over a top-six side.