Jonathan Martin focused on 49ers

— -- Jonathan Martin made it clear Thursday night his focus is on the future and being part of the San Francisco 49ers.

The primary target of vicious taunts and racist insults that occurred almost daily while he was a member of the Dolphins this past season, Martin passed his physical Thursday and officially became a member of the 49ers, who acquired him in a trade with Miami on Tuesday. The Dolphins will receive a seventh-round pick in 2015 if Martin is on the 49ers' opening-day roster this season.

"It's a blank slate for me," Martin said in a conference call from 49ers headquarters Thursday night. "I'm looking to revitalize my career, getting back to playing ... I couldn't be happier."

Martin left the Dolphins last fall after accusing teammate Richie Incognito of bullying in a scandal that overshadowed the franchise's 8-8 season. An investigation conducted by Ted Wells for the NFL determined last month that Incognito and two other offensive linemen engaged in persistent harassment of Martin, another offensive lineman and an assistant trainer.

The offensive lineman said he's moved on.

"I'm not worried about that," he said. "All that's in the past at this point."

for standing by him and keeping him focused on the future.

Information from The Associated Press was used in this report.