Biggest.Weed.Ever?

I found this growing in my backyard by the alley. Is it a weed or something I shouldn't have ripped out of the soil?

Cubs land Harden

The Cubs countered the Brewers CC Sabathia trade today by trading for the A's Rich Harden.

The Cubs had to give up Sean Gallagher, Matt Murton, Eric Patterson, and minor leaguer John Donaldson.

The Cubs also got reliever Chad Gaudin in the deal.