A day after leaving practice with a sprained right ankle, Derrick Mason said that he doesn't expect to be out for long.
Mason said that his ankle didn't swell up overnight, and he feels in decent shape.
"I'm happy how my ankle has responded," Mason said. "I thought it was worse than when it actually happened. But it settled down.
"It's not swollen, it just hurts a little. It's a little stiff, but I'll be fine."
With Mason out of today's practice, Mark Clayton got the majority of the first-team reps at wide receiver across from Anquan Boldin.
Meanwhile, safety Ed Reed, who is still on the Physically Unable to Perform list as he rehabs from offseason hip surgery, is progressing, according to Harbaugh.
"His status obviously is the same, but I like what I see when I see him working," Harbaugh said. "I think he's excited. He talked to the defense at length yesterday about some things, so he's into it. But he looks like he's progressing in his drills."
Reed can't practice with the team at this point, but he has been seen dragging a weight on a side field and doing some individual drills as the rest of his teammates participate in live practice.