Complex sentence: On 26 January 2018, Terrier was sold from Lille to Lyon for 11 million euros and loaned him straight back to Strasbourg so that he would finish his initial loan period.
Split into simpler sentences: On 26 January 2018, Terrier was sold from Lille to Lyon for 11 million euros. Lyon loaned him straight back to Strasbourg so that he would finish his initial loan period.