Complex sentence: Released by the Texans on November 21,2007, he resigned with the Packers on December 1,2007, after they released Marviel Underwood (because of the 53 maximum players rule in the NFL).
Split into simpler sentences: Released by the Texans on November 21,2007. He resigned with the Packers on December 1,2007, after they released Marviel Underwood (because of the 53 maximum players rule in the NFL).