SANTA CLARA — In the 49ers’ training camp, rookies Mykel Williams, Alfred Collins, and C.J. West showcased their potential as defensive linemen. Williams impressed with his agility and power, while Collins, though needing to refine his technique, demonstrated a strong bull-rush; West excelled in 1-on-1 drills, demonstrating significant strength and leverage, although he showed less push in team drills.
