Nationals Rumors: Where do Nats turn next after Greg Holland reportedly signs with Rockies?

How seriously Washington pursued Greg Holland is unclear, but FanRagSports.com’s Jon Heyman listed the Nationals as one of three potential suitors, along with Colorado and a “mystery team” earlier this week, before the one-time Kansas City Royals’ closer signed what is reportedly a one-year deal (with a vesting option for the second) with the Rockies this afternoon.

So where do the Nationals turn next as they continue to attempt to add arms to the back of their bullpen? Heyman had some suggestions:

David Robertson, the Chicago White Sox’ reliever, has been a rumored target for the Nationals and GM Mike Rizzo since last season.

The Nationals talked about Chris Sale and Adam Eaton with the Sox this winter, and Rizzo acknowledged after acquiring Eaton that the two sides had discussed “several other players with the White Sox” before agreeing on that deal.

Was Robertson one of them? Will they return to talks on the veteran reliever now that they have missed out on Holland?

FOXSports.com’s Ken Rosenthal cited a source this week who said Tampa Bay’s Rays continued “to draw interest in [Alex] Colome,” but felt, “... no urgency to move him,” with the 28-year-old reliever affordable, under team control and “... not eligible for arbitration until next off-season.”

Will the Nationals be willing to pay what will likely be a steep price for Colome if they grow desperate to add relief help with Spring Training approaching?

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Or will they turn their attention to free agents like Sergio Romo, the 33-year-old free agent reliever Heyman mentions, who is coming off a 0.2 fWAR season in San Francisco which saw him put up a 2.64 ERA, 3.80 FIP, seven walks (2.05 BB/9) and 33 Ks (9.68 K/9) in 40 appearances and 30 ²⁄₃ innings pitched for the Giants.

Romo saved 61 games between 2013-14, but has saved six over the last two seasons and wouldn’t necessarily solve the Nationals’ ninth-inning needs, though he’d add an arm to the mix in the back of the bullpen.

Where do you turn next if you’re Mike Rizzo? Do you just turn to in-house options at this point and look to find a closer later this season if your relievers falter? Do you go back to trade talks and see if the asks have changed?