Nathan Karns

3m

Tonight’s Game:

Tampa Bay Rays (24-24) vs. Baltimore Orioles (22-24) Oriole Park at Camden Yards, Baltimore, 7:05 p.m.

Starting pitchers:

2y

The Nationals purchased the contracts of Nathan Karns and Erik Davis tonight, adding both right-handers to their 40-man roster and protecting them from being selected in next month's Rule 5 draft.