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Minnesota starting pitcher Francisco Liriano
The Colorado Rockies have the second worst ERA by starting pitchers this season. They started the season with Jamie Moyer as their fifth starter, but he was released on June 3, according to CBSSports.
They do have a fantastic young pitching prospect they are being patient with in Drew Pomeranz, and at some point this season they are hoping to get Jorge De La Rosa back from the DL after undergoing Tommy John surgery last season.
None of that helps a team that thinks it can compete with the Los Angeles Dodgers or San Francisco Giants right now, and that is where Francisco Liriano comes in.
Liriano could be used as a starter for the Rockies or used in the bullpen, which hasn't been great for the Rockies this year, either.
The prospect the Rockies have that best fits the Twins' needs is 20-year-old catcher Will Swanner. Swanner is hitting .336/.407/.648 at Single-A Asheville, currently.
Swanner may not be great defensively, according to MLB.com, but with at least two more years in the minors in his future, he certainly has time to improve it. He is the 15th ranked prospect for the Rockies.
Trevor Story might be another possible prospect candidate for the Twins to focus on. The 19-year-old plays a position that he has basically no chance of breaking into Colorado's lineup playing because it is Troy Tulowitzki's home.
While it is certainly possible he could move to second or third, the Rockies do also have a pretty impressive prospect who plays third.
Story might end up being traded for that fact alone. He is hitting .291/.383/.571 at Single-A Asheville right now and shows great defensive tools.