Southampton recorded their first back-to-back victories in the PL since April 2017 with a 3-1 win over Huddersfield Town.
Ralph Hasenhuttl's team opened the scoring on 15 minutes when Pierre-Emile Hojbjerg sent through Nathan Redmond, who finished smartly.
Southampton doubled their lead from the penalty spot. Zanka brought down Danny Ings, who stepped up to slot into the bottom corner.
Huddersfield Town pulled one back through Philip Billing's 30-yard strike, but Southampton sealed the win through Michael Obefemi's first Premier League goal in the 71st minute.
Defeat leaves Huddersfield Town 19th on 10 points. Southampton go three points clear of the relegation zone with 15 points in 16th.
See: Huddersfield Town report | Southampton report
Next fixtures
Huddersfield: 26 Dec v Man Utd (A)
Southampton: 27 Dec v West Ham (H)
See: Play for your club in the ePremier League (UK residents aged 16+ only)