Bony is joined by Roland Lamah, who will provide support to the forward, while Jonjo Shelvey and Jonathan de Guzman line the midfield, with Neil Taylor donning the armband in the absence of defender Ashley Williams.
Swansea: Tremmel; Tiendalli, Chico, Amat, Taylor; Shelvey, De Guzman; Routledge, Pozuelo, Lamah; Bony
Subs: Oliver Davies, Ben Davies, Williams, Canas, Dyer, Hernandez, Michu
St Gallen: Herzog; Besle, Russo, Wuthrich, Mutsch; Mathys, Lenjani, Janjatovic, Demiri; Rodriguez, Karanovic
Subs: Lopar, Schonenberger, Franin, Nushi, Nater, Martic, Keita
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