Complex sentence: After his tenure with the City of Birmingham, he became a dispatcher at Roadway Express from January 1997 through January 1998, after which he was signed back by the Arizona Cardinals, finally making a roster and remaining with the team until the 2007 preseason.
Split into simpler sentences: After his tenure with the City of Birmingham, he became a dispatcher at Roadway Express from January 1997 through January 1998. After which he was signed back by the Arizona Cardinals, finally making a roster and remaining with the team until the 2007 Preseason.