Complex sentence: He was signed to fill in the right winger spot in a 4--3--3 system, but coach Tom Køhlert and later Kent Nielsen decided to use a 4--4--2 formation which resulted in sparse time on the pitch for the young winger.
Split into simpler sentences: He was signed to fill in the right winger spot in a 4--3--3 system, but coach Tom Køhlert and later Kent Nielsen decided to use a 4--4--2 formation. This has resulted in sparse time on the pitch for the young winger.