By Ian Ladyman Follow @@Ian_Ladyman_DM Manchester United's relationship with Nike finally hit rock bottom when the Barclays Premier League club began displaying branding from rivals manufacturers at their Carrington training ground earlier this year. As the club announced today that their long relationship with Nike was about to come to an end after agreeing a new kit deal with arch rivals Adidas, it is understood that the manner United went about courting other companies back in January infuriated their current suppliers. VIDEO Scroll down for WATCH Manchester United unveil their new kit Final showing: Nike's ties with Manchester United will end after the 2014/15 season
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Manchester United signed record £750million 10-year deal with Adidas
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Nike had been Manchester United's kit manufacturer for 13 years
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US Sport giants annoyed at United displaying rival brands at training ground
Annoyed: @placeholder were frustrated when Manchester United branded their AON Training Complex with rival companies