Sure, the Mets need to get younger and Smoltz is 42-years-old. He won't be looking for more than a one-year deal, and has some veteran leadership the Mets will need in the bullpen.
He's also a lifetime Atlanta Brave, which would be weird.
Outside of injuries, age and price, what could go wrong?
Update - 12/10 3:19 pm: Per the Boston Globe:
Smoltz wants to pitch for a team that could take him to the World Series. He hopes that's Atlanta, but Smoltz is considering Boston, the New York Mets, and his hometown Detroit Tigers as possible destinations according to a major league source.Playing hardball with the Braves, Smoltzy? I doubt he signs anywhere but Atlanta.
The article also notes Smoltz would like to be a starting pitcher in 2009.
Update - 7:56 pm: Via Steve Popper:
And on another note, there was a rumor reported earlier today that John Smoltz was interested in the Mets among a handful of other teams. And that would have been great for the Mets - except that according to what is reportedly Chipper Jones commenting on the blog of Atlanta Journal Constitution Braves beat writer Dave O'Brien, it isn't true at all.
Here's the response that Jones supposedly wrote:
By U Kno Who
December 10, 2008 5:19 PM | Link to this
Dave—I can honestly say that I do not remember. Lot of stuff going on during that final weekend. Give me something else for your proof.
But I will tell you, Smoltzie is a little irked with this report saying he’s considering the Mets. He’s not going anywhere, guys.