Washington GM says there are "no restrictions" and "nothing off the table."
With raises coming to many players under contract, the Nationals' payroll will rise in 2014.
The Nationals may have another move left, but it would add to a payroll that's already more than $125 million.
The Nationals average salary jumped from $2.8 million in 2012 to $4.1 million in 2013.
An early examination of the Nationals' financials commitments next season.
Some way or another, the Nationals seem likely to push past a $100 million payroll this winter for the first time.