How it stands - Our 2-0 win moved us up to fourth in the Premier League on goal difference from Manchester United, who were beaten 2-1 at home by Norwich.
Harry's hundred - Harry Kane reached the 100-game milestone for us at St Mary's - and scored his 47th goal.
Goals - Harry Kane (1-0, 40 minutes), Dele Alli (2-0, 43).
Keeping the ball - We had 49% possession over the 90 minutes - 54% in the first half, 48% in the second.
Passing game - We completed 380 passes to Southampton's 374. That included 224 passes between 10-35 yards. Mousa Dembele completed most with 48.
Shooting boots - We had 13 shots at goal to Southampton's 11 including six on target. Five of our efforts on target were in the penalty box. Harry Kane had three efforts on target.
Yellows - There was one yellow card each - Jose Fonte and Dele Alli.
Line-ups - Southampton (5-4-1) - Gazzaniga, Cedric, Van Dijk, Fonte (c), Bertrand; Clasie (Ward-Prowse 78), Wanyama; Mane, Davis (Long 64), Tadic (Juanmi 64); Pelle. Substitutes (not used): K Davis, Yoshida, Romeu, Targett.
Spurs (4-2-3-1) - Lloris (c), Walker, Alderweireld, Vertonghen, Davies; Dembele, Dier; Lamela, Alli (Carroll 78), Eriksen (Chadli 86); Kane (Son 90). Substitutes (not used): Vorm, Bentaleb, Wimmer, Winks.
Referee - Kevin Friend.
Attendance - 31,636.