Olivier Giroud, who came off the bench to replace Morata, helped Chelsea come back from 2-0 down to win at St Mary's 

The Frenchman headed home smartly from Marcos Alonso's cross from the left to make it 2-1 not long after he came on

Eden Hazard then equalised five minutes later in a frantic period of the game as he was unmarked inside the area to fire home

The Belgian's face told the story as relief swarmed over Chelsea having struggled to breakdown Southampton's rear-guard

The stunning comeback was complete when Giroud grabbed his second, firing home low to crush Saints hopes of a victory

Dusan Tadic scored his first Premier League goal since Boxing Day to give Southampton a vital lead at home to Chelsea

Dusan Tadic scored his first Premier League goal since Boxing Day to give Southampton a vital lead at home to Chelsea

The attacker was in the right place to convert Ryan Bertrand's cutback after his surging run down the left caught Chelsea out

Southampton were looking to steer away from the relegation zone with five games remaining as they dominated the first half

Young defender Jan Bednarek then doubled the Saints' lead after a deep cross from English midfielder James Ward-Prowse

With Jack Stephens suspended, Bednarek was making his first Premier League start are converted well on the half-volley

With the score at 2-0, Southampton looked in charge and on course for their first Premier League win under Mark Hughes

The Blues looked to respond from set-pieces but Southampton remained resilient in a high-tempo first half performance

Chelsea striker Alvaro Morata was less than impressed at the physicality of the Saints defence as he complains to Mike Dean

Hazard was another who received the rough treatment with the south-coast side looking to limit the Belgian's influence

Shane Long got the nod to start ahead of Charlie Austin and the former West Brom forward looked to use his blistering pace

Both managers went to St Mary's under pressure at different ends of the table after both sets of players disappointing seasons

Davide Zappacosta struggled to contain the lively Tadic as Chelsea lacked intensity and craft when in the final third area

Cesc Fabregas was tasked with dictating the tempo in midfield areas but found himself stretched alongside N'Golo Kante

Conte is widely expected to leave the Blues at the end of the season but will be credited with smart substitutions at St Mary's