Complex sentence: Delorimier Stadium, the former home of the Montreal Royals, was rejected as unsuitable even for temporary use: it could not be renovated or expanded beyond its 20,000-seat capacity since it was in the middle of a residential area.
Split into simpler sentences: Delorimier Stadium, the former home of the Montreal Royals, was rejected as unsuitable even for temporary use. It could not be renovated or expanded beyond its 20,000-seat capacity since it was in the middle of a residential area.