49ers’ Trent Williams still loving football but keeping eye out for ‘cliff’

SANTA CLARA – Trent Williams, at age 37 and entering his 16th year in the NFL, lined up at left tackle and took on all comers Thursday in his first full-team action at 49ers training camp.

New edge rusher Bryce Huff wouldn’t touch Brock Purdy. Nor would first-round pick Mykel Williams (more on him later). A familiar foe also came forth in Nick Bosa, much to the delight of the 49ers’ three-time All-Pro blindside protector.

“Being able to size yourself up against him, especially me...