The 24 year-old Poland international only arrived in the summer from Reims, but has been a huge influence on Sevilla's run to the top of the table.
Krychowiak is already a firm fans' favourite and his impact has attracted interest from Gunners boss Arsene Wenger.
Standing at 6ft 1in, Krychowiak's all-action style is attractive to Wenger as he seeks to add steel to his powderpuff midfield.
Sevilla coughed up €4.5 million to Reims in the summer to bring the Pole to Spain.
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