The Dallas Cowboys’ first day of padded practice in Oxnard was a big one for the team in terms of evaluating where the players stand in their preparation for the 2024 season. Rookie left tackle Tyler Guyton took the bulk of the reps with the first team with veteran Chuma Edoga also working into the first-team rotation. Tyler Smith, who started at left tackle in his rookie season two years ago, came away from Day 1 in pads impressed with his young line mate and his development thus far. “I’ve been truly impressed,” Smith said, via Jon Machota. “It’s not very often that you find a human being wh…