M8 Spurs and Levy are famous for being a selling club, As soon as a bigger club shows up down goes the pants.
Bale, Modric, Kane, Berbatov, Carrick, Robbie Keane, Eriksen, Kyle Walker I could go on!
Tbf, they held onto Bale, Walker and Kane for few seasons more than logic would suggest.
Modric too must look back on his career and think "why the f**K was I at Spurs for four full seasons in absolute prime of my career".