Cost £1.5m per goal: GSB made a colossal blunder on "strong" £40k-p/w West Ham flop - opinion

It is no secret that West Ham United have a dismal track record when it comes to making centre-forward additions in recent years, with the GSB era having been littered with bizarre and at times costly transfer mistakes.

Among a lengthy list which includes the likes of Mido, Lucas Perez and Jordan Hugill, to name just a few, is Ecuador striker Enner Valencia, the diminutive speedster having failed to truly make his mark in English football.

Signed for £12m in the summer of 2014 after hitting 18 goals in just 24 games for Mexican outfit Pachuca, the 5 foot 9 marksman was expected to hit the ground running at Upton Park, particularly having netted three times during a standout World Cup campaign in Brazil.

Although his arrival seemed something of a coup at the time, it quickly became apparent that the club – and then-manager Sam Allardyce – had fallen for the age-old trap of signing a player off the back of some impressive yet fleeting displays at a major tournament.

A stunning goal on his full league debut against Hull City looked like it would be the start of a bright spell in the Premier League for the versatile forward, but that early-season effort would be just one of four league goals that he scored in his first campaign in east London.

The former Emelec man would go on to score just four more league goals in 2015/16. albeit having spent much of the season on the treatment table due to injury, before being shipped out on loan to Everton in August 2016.

However, despite being labelled “strong” by then-Everton manager Ronald Koeman, he fared little better on Merseyside. He was waiting until January 2017 to score his first of three league goals for the Toffees, with the Goodison Park outfit unsurprisingly declining the