Complex sentence: Here he was seen as somewhat of a prodigy, impressing the coaches of the Denmark under-16, under-17 and under-19 national teams, and he was bought by English club Arsenal for an undisclosed fee in November 2000.
Split into simpler sentences: Here he was seen as a prodigy, impressing the coaches of the Denmark under-16, under-17 and under-19 national teams. As so he was bought by English club Arsenal for an undisclosed fee in November 2000.