Found December 23, 2008 on Awful Announcing Inactive:

I honestly have no idea what an "Assistant to the GM" actually does, but apparently the job isn't as glamorous as TV analyst on a newly formed network. The MLB Network's latest hire is a familiar face, and one that could end up being pretty good on set, Barry Larkin....
WASHINGTON -- Barry Larkin said on Monday that he is leaving the Nationals to take a job as an analyst with the MLB Network, which launches on Jan. 1, 2009.

Larkin, 44, spent the past four seasons as a special assistant to Nationals general manager Jim Bowden. He worked with Minor League players on hitting, baserunning and fielding, and sometimes helped Bowden make personnel decisions.

During the final weeks of the 2008 season, however, Larkin was in talks with Bowden about his future with the club. Bowden offered Larkin the first-base coaching job, but Larkin turned it down because of family commitments and business interests outside of baseball. The position eventually went to Marquis Grissom.
Well I guess that explains my question of what he did above. Seems like a pretty sweet gig, and one that's less of a burden than the one he took. Either way though, it's yet another good hire by the MLB Network. At this pace they should fill out their 42-man roster by the middle of January.

(Via MLB PR)
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