Complex sentence: After spending two seasons with the Welsh club, he joined League One side Millwall and later moved to Northampton Town, where his goal-scoring talent was recognised by higher league clubs such as Leyton Orient and Grimsby Town.
Split into simpler sentences: After spending two seasons with the Welsh club, he joined League One side Millwall and later moved to Northampton Town. It was at Northampton where his goal-scoring talent was recognized by higher league clubs such as Leyton Orient and Grimsby Town.