As far as pitching goes, I'm really hoping the Cubbies commit to building Dylan Maples as the future closer. It's SOOO hard to go out and acquire a top level closer, so a kid with 98+ MPH fastball on the regular to go along with filthy disappearing slider intrigues the hell out of me!
The thing that worries me about Maples is his command of his pitches. He has a FLITHY slider but in limited time in the bigs has had command issues: 11 walks in 10 2/3 innings and 13 earned runs so he has been hit hard when he does throw a strike.