The Patriots signed defensive lineman Zach West to their practice squad today. The Patriots practice squad now stands at its limit of eight players. West, 23, was originally signed by the Patriots as an undrafted rookie free agent out of Texas-El Paso on May 8, 2007. The 6-foot-5-inch, 305-pound defensive lineman was released by the Patriots in the final preseason roster cutdown on Sept. 1, 2007. West started 32 games at defensive tackle in his collegiate career at UTEP.