Complex sentence: Marc Laird is a Scottish Professional Footballer player who plays for Millwall, He did play for Manchester City beforehand and had a brief loan spell at League Two side Nothhamton during the 2006--07 season.
Split into simpler sentences: Marc Laird is a Scottish Professional Footballer player who plays for Millwall. He previously played for Manchester City and had a brief loan spell at League Two side Northampton Town during the 2006--07 season.