The Mets' two biggest offensive holes are at shortstop and in left field, and the Colorado Rockies have two players at those positions, Troy Tulowitzki and Carlos Gonzalez, who are both excellent hitters and may well be on the trading block.
If the Rockies decide to trade one or the other, Mets officials have told Colorado that they'd be interested.
The Rockies are said to think highly of Noah Syndergaard, Brandon Nimmo, Steven Matz, Dilson Herrera and others. In other words, the Mets — if they are willing to part with some combination of good farmhands — will be factors for CarGo, Tulowitzki or any other star that comes onto the market.
Tulowitzki will be 30 in October and Gonzalez will turn 29 that same month, so neither is especially young. Both have suffered their share of injuries but both are also signed to long-term deals, which means any deal would stand to benefit the Mets both in 2014 and in subsequent years. Both players would also look amazing in orange and blue.
I'll leave you with this quote from the above-linked article:
one NL executive said “because Colorado always needs to address pitching, I actually see the Mets as their perfect partner.”