Complex sentence: His home debut came in the return leg on 25 February; he came on as 53rd-minute replacement for Willian, assisting Jádson for Shakhtar's equaliser in a 1--1 draw.
Split into simpler sentences: His home debut came in the return leg on 25 February. Douglas came on as 53rd minute replacement for Willian, assisting Jádson for Shakhtar's equaliser in a 1--1 draw.