Gylfi Sigurdsson celebrates after scoring Swansea's winner against Southampton
On his full debut, Narsingh was introduced in the second half by Clement and found Sigurdsson to slot home and seal a 2-1 win against Southampton, their second league win in a row. Alfie Mawson had put Swans ahead before a Shane Long strike made it 1-1, and the Iceland international’s effort proved the difference.
Saints were on top at first but Swans had the best chances and they took the lead through Mawson. The former Barnsley defender headed home a corner – his effort deflecting in off Oriol Romeu – for his second goal for his new club.
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A 1-0 lead for the home side was soon eradicated by Long, the Irishman tapping home after being given too much space. Swansea shrugged off the setback.
Clement has installed a fresh attitude to his team and the £4million January signing Narsingh was soon introduced to great effect. The speedy Holland international was a constant danger and set up the winner with 20 minutes to go.
Saints at least sealed the £17million capture of Napoli striker Manolo Gabbiadini and refused to sell Jay Rodriguez. Gabbiadini, 25, who has six caps for Italy, agreed a four-year 40,000-a-week deal.
Swansea (4-4-2): Fabianski 5; Naughton 6, Fernandez 6, Mawson 6, Olsson 7 (Rangel 76); Cork, Carroll, Sigurdsson 8, Fer 5 (Ki 72); Routledge 5 (Narsingh 60, 6), Llorente 6. Booked: Cork. Goals: Mawson 38, Sigurdsson 70. NEXT UP: Man City (a), Sun PL.
Southampton (4-4-2): Forster 7; Soares 7, Stephens 4, Yoshida 5, Bertrand 6; Davis 6, Romeu 6, Clasie 5 (McQueen 76), Redmond 6 (Sims 76); Long 6, Tadic 5. Booked: Long. Goal: Long 57. NEXT UP: West Ham (h), Sat PL.
Referee: R East (Wiltshire).