SANTA CLARA — The 49ers' offense made some plays down the field on Wednesday. And the defense had its moments, too. That probably is why 49ers coach Kyle Shanahan seemed particularly pleased at the end of practice when he gathered the team around. "Helluva a day, man," Shanahan told the team at the conclusion of a two-hour practice. It was the final day fans were allowed to watch the team during training camp. Linebacker Fred Warner was added to the injury report with "foot irritation." He is not expected to miss much time, though he is not expected to suit up for the 49ers' first preseason game Saturday at the Tennessee Titans. Here are the takeaways from Wednesday's practice: Attrition At Running Back Jordan Mason is getting a lot of action and making a strong case to open the season as the No. 2 running back behind Christian McCaffrey. McCaffrey is out for at least a couple of weeks with a left calf strain. Elijah Mitchell has a hamstring injury that will keep him out for at least a week. In addition, rookie Isaac Guerendo has been sidelined since the first practice with a hamstring injury. In the past two days, the 49ers signed veteran running backs Matt Breida and Ke'Shawn...
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