Borja Valero is the reason why you should remain open-minded about Esteban Granero's career.
In 2008, West Bromwich Albion bought Valero—a Real Madrid youth graduate—from Mallorca for a club record fee of £4.75 million (per BBC Sport).
He struggled in the Premier League, went back to Mallorca on loan and won the Don Balón Award.
Then-WBA manager Tony Mowbray had ironically said: "If we can't find the right players, I won't waste money, I will keep going until we do."
Borja would go on to solidify himself as a world-class midfielder with Villarreal and earned high praise from Sid Lowe (via Sports Illustrated):
The sixth-best average rating in the league, match by match, according to Don Balón (the only ones handing out match day ratings without a club filter bias).
Only Messi, Ronaldo, Iniesta, Cazorla and Rossi have higher ratings.
And the latter two have benefited from Borja's control, technique and touch throughout the season as he keeps Villarreal moving.
A central midfielder in the Barcelona mold although he came through the Real Madrid youth system, and a man that Pep Guardiola looked at very closely last season, Borja has provided eight assists and almost 2,000 passes.
Spain call-up was richly deserved.
Since moving to Fiorentina, Valero has the highest pass completion percentage (87.8) for Serie A players with nine league assists or more.
Looking back in retrospect, Mowbray explained Borja's failure in the Premier League (via Scotsman.com):
We took Graeme Dorrans to West Brom (from Livingston] for 100 grand and yet there he is playing central midfield in the Premier League because his talent got him in the team in front of a boy who cost four million.
And the boy who cost me four million, Borja Valero, is by far the best technician at the club and yet the qualities that Dorrans has brought for 100 grand required that he played.
The qualities is a reference to Valero not possessing the intangibles (at that time) to thrive in the cut-throat nature of English football.
Granero is the same case for Queens Park Rangers.
Statistics courtesy of WhoScored.com, Fox Soccer and Squawka.com