Rodriguez scored just before the break from close range before Lambert made it 2-0 in the second half with a thumping finish. Lallana scored a stunning long-range strike and Rodriguez sealed the rout with his 17th goal of the season late on.
The Saints dominated the first period with Rodriguez spurning a one-on-one chance before guiding a header wide.
Rodriguez was then denied by keeper Rob Elliott who parried his header and then produced an outstanding save to keep out the striker’s effort from three yards.
The home side broke the deadlock when Lambert squared the ball to Rodriguez, who tucked the ball home from four yards.
And the Saints doubled their lead at the start of the second half when Lallana’s dink into the box found Lambert, who smashed the ball into the net.
But the highlight of the game came when Lallana fired an unstoppable shot into the top corner before Rodriguez rifled in a low effort from a tight angle.
The win moves the Saints into eighth place while Alan Pardew’s side slip to ninth.
20’ – RODRIGUEZ CHANCE: Ball over the top to Rodriguez who pokes his shot into the side netting from a tight angle, he should have scored.
10’ – GOOD CHANCE: Great cross from Chambers and Rodriguez gets a header in at the far post but it goes wide.
12’ – DOUBLE CHANCE: Rodriguez gets in a low header from Lambert's cross that Elliott parries. Ward-Prowse then rifles in a shot from the edge of the box that fizzes wide.
15’ – GOOD SAVE: Lambert is sent through on goal and his first-time shot is blocked by Elliott's outstretched right hand.
17’ – LALLANA CHANCE: Lallana heads wide from Chambers' tee-up across goal, he should have hit the target.
18’ – GILT-EDGED CHANCE: A corner is sent in and Lovrens with a free header from six yards out guides it way off target, what a chance.
22’ – ANOTHER OPPORTUNITY: Rodriguez threads the ball through to Lambert whose shot is parried for a corner. It all came from a suicidal pass from Gouffran.
27’ – RODRIGUEZ CHANCE: Shaw's low cross into the box is flicked wide by Rodriguez, that wasn't too far away.
42’ –GREAT SAVE: Lambert heads the ball down to Rodriguez who is three yards out but the keeper parries away his effort.
44’ – GOAL! Southampton 1-0 Newcastle - Rodriguez finally puts the ball into the net from close range from Lambert's tee-up.
48’ - GOAL! Southampton 2-0 Newcastle - Lambert smashes the ball into the roof of the net after Lallana's dink into the box.
70’ - GOAL! Southampton 3-0 Newcastle - Lallana makes it 3-0 with a belter from outside the box. Fantastic strike into the top corner!
74’ – DOUBLE CHANCE: A great chance for the Saints. Rodriguez hits the post, then Ward-Prowse's shot is parried by Elliott.
83’ – GOOD SAVE: Rodriguez's low shot from distance is palmed away for a corner by the impressive Elliott.
88’ - GOAL! Southampton 4-0 Newcastle - Rodriguez scores with a low finish from a tight angle, confident finish. Poor defending from the visitors.
The Saints have lost just once in 21 games against Newcastle at home.
Jay Rodriguez has scored in each of his last four Premier League matches.
Newcastle have now lost their last three games.
TALKING POINT: Should Roy Hodgson take Rodriguez and Lambert to the World Cup? Rodriguez is in good form and has formed a deadly partnership with Lambert. The pair could be a good option for England to bring on late in a game if Wayne Rooney and Daniel Sturridge are not producing. Both Southampton strikers are scoring goals and Lambert looks to be a better bet than Andy Carroll.
MAN OF THE MATCH
Adam Lallana (Southampton): The playmaker set up Lambert’s goal and then scored a sensational strike to cap off a brilliant performance. His trickery caused the Newcastle defence problems all game and his decision making was brilliant on when to shoot and when to set up a team-mate.
Southampton: Boruc 5, Chambers 6, Fonte 5, Lovren 5, Shaw 6, Ward-Prowse 6, Davis 5, Cork 6, Lallana 9, Lambert 8, Rodriguez 8. Subs: Gazzaniga, Schneiderlin 5, Ramirez 5, Gallagher 5.
Newcastle United: Elliot 7, Yanga-Mbiwa 5, Williamson 5, Coloccini 5, Haidara 5, Anita 4, Tiote 6, Sissoko 5, Ben Arfa 4, Gouffran 5, Cisse 5. Subs: Alnwick, Santon 5, Dummett 6, De Jong 5.
THE MATCH IN A TWEET
- Sports & Recreation
- Jay Rodriguez
- Newcastle United
- Rickie Lambert
- Adam Lallana