The Pirates have some questions in their outfield in 2018.

Andrew McCutchen has struggled the last few years, and while he can still be a 4.0 WAR player, he's not the same guy who once led this lineup.

Gregory Polanco still has the upside of a star player, but we've gotten to the point where he may never realize that, and might be an average-to-above average player at best. He also has a history of injuries, which makes it less likely that he could put up even that type of production.

Starling Marte is coming off a down year, although as I wrote today, I'm less worried about him than the other two. I think we could see the old Marte return next year.

Overall, I don't think it's unreasonable to think this outfield could combine for 10-11 WAR in 2018. McCutchen and Marte are capa...

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