There hasn't been official word from the Pirates, but if he has passed the physical then the only thing remaining would be the press release. It looks like the Liriano saga is over.
UPDATE 10:47 PM: The Pirates have officially announced the move through a team press release. He's coming in on a one year deal with a vesting option for the 2014 season. No word yet on the financial details for the new deal. Prior to the injury, Liriano agreed to a two-year, $12.75 M deal. The press release had a brief quote from Neal Huntington:
“We are excited to add Francisco Liriano to our roster,” Huntington said. “...
Tim is the owner and editor in chief of Pirates Prospects. He started the site in January 2009, and turned it into his full time job during the 2011 season. Prior to starting Pirates Prospects, Tim worked with AccuScore.com, providing MLB, NHL, and NFL coverage to various national media outlets, including ESPN Insider, USA Today, Yahoo Sports, and the Wall Street Journal. He also writes the annual Prospect Guide, which is sold through the site. Tim lives in Bradenton, where he provides live coverage all year of Spring Training, mini camp, instructs, the Bradenton Marauders, and the GCL Pirates.