Complex sentence: On 17 September 2015, he got his first call up to the Liverpool senior squad for their UEFA Europa League group stage match against Bordeaux, remaining an unused substitute in the 1--1 away draw.
Split into simpler sentences: On 17 September 2015, he got his first call up to the Liverpool senior squad for their UEFA Europa League group stage match against Bordeaux. He was an unused substitute in the 1--1 away draw.