Although this is the ninth League Cup match between these sides, it will be the first time they will meet since the 2015 final
Spurs have won two, two draws and Chelsea have won four of the previous eight meetings, .
Spurs and Chelsea are set to meet in a League Cup semi-final for the third time, having also done so in 1971-72 and 2001-02 – the only fixture to be played more often at this stage is Arsenal against Spurs which has been played on four occasions.
This is the 15th League Cup semi-final that spurs will be competing in – only Liverpool (17) have appeared at this stage more often in the competition’s history.
Tottenham have won their last two matches against Chelsea, both in the Premier League -since a run of five consecutive wins against Chelsea between March 1961 and September 1963, they haven’t won three in a row against their London rivals in all competitions.
Dele Alli has scored more goals against Chelsea (6) than he has against any other opponent in all competitions during his career, as well as netting four goals in his last five League Cup appearances for Spurs.
Eden Hazard has scored in his last three League Cup appearances – the last player to score in four consecutive appearances in the competition was Dwight Gayle in September 2015 for Crystal Palace.
Chelsea have qualified for the League Cup final on four of the previous five occasions they’ve played the first leg away from home, despite winning just one of those games (D2 L2).
Chelsea could become just the second team to lose twice against the same opponent at Wembley in a single season ( having already lost to Spurs at Wembley in the Premier League this season) after Sheffield Wednesday against Arsenal in 1992-93, who lost the League Cup final and an FA Cup final replay to the Gunners.