CRAIG STAMMEN

2d

Craig Stammen has needed surgery on his throwing arm only once before — Sept.

1w

Blake Treinen made 15 appearances for the Nationals last season, many of them impressive outings that turned some heads within the organization.

2m

Age on Opening Day 2015: 31

How acquired: 12th round pick, 2005 draft

2015 salary: $2.25 million

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