Jimmy Floyd Hasselbaink has questioned Mikel Arteta's decision to let Pierre-Emerick Aubameyang go in January.
Aubameyang was stripped of the club's captaincy back in December following a disciplinary breach before securing a move to Barcelona shortly after. It's understood that it wasn't the first time the Gabon international broke the rules, or as Arteta describes them, the 'non-negotiables'.
When discussing these non-negotiables in August of last year, the Spaniard said: "First of all, respect. The second one is commitment, and the third is passion.
