As most of the nation deals with cold air that is coming from Siberia -- seriously, folks, we're dealing with air that came from freaking Siberia here -- baseball players have either arrived or are arriving at spring training facilities in both Florida and Arizona.

And while Florida is caught up in this Siberian Frozen Polar Votex Express of Doom, it'll get warm and sunny there soon. And at the very least, those of us buried up to our necks with snow and ice can look at pictures of actual, real green grass, pearl-white baseballs, and men in shirt sleeves and baseball caps, all doing baseball things.

Over the course of the last few weeks, I've delved into some of the more intriguing storylines shaping up for this season. What are the Yankees going to do with Alex Rodriguez? Is Miguel Cabrera going to bounce back from a disappointing 2014? What the heck is going on in the Red Sox outfield? And I looked at 10 hitters who could break out this year, along with peeks at already on record as saying he wants to play for a winner (news flash: that ain't the Phils anymore), using a Magic 8-ball to help answer questions about his future on Thursday.

...I'm not kidding -- a Magic 8-ball.

what I wrote last month when the Nationals signed Max Scherzer to an insane seven-year, $210 million that pays him the money over a 14-year period. But as I mentioned, it sure does give the Nats a rotation that appears almost unbeatable in the regular season. And while the Marlins and Mets have visions of making some noise in the NL East, it's going to be hard to make up ground against a crew that also features Stephen Strasburg, Jordan Zimmerman, Gio Gonzalez and Doug Fister.

Yes, the Los Angeles Dodgers have a solid rotation, the addition of Jon Lester gives the Cubs a solid group, and even James Shields makes the Padres a threat. But it will be very interesting to see just how far a Super Rotation can take a team, especially in the playoffs. After all, it didn't do much for the 2011 Phillies in a short series.

It will also be interesting to see if the Nats decide to extend Zimmerman, who is in the last year of his deal. Regardless, Zimmerman is there now, and the Nats are all-in for a world championship in 2015.

Who Is the Most Improved Club?

It's hard to say who that is, but I've got my top four: the Padres, White Sox, Red Sox and Cubs. All made themselves better to varying degrees this offseason.

San Diego completely remade their roster this offseason, and were in on virtually every big-name player. They scored a very nice contract with Shields to anchor what was an already solid starting rotation. They completely re-tooled their outfield as well, bringing in Matt Kemp, Wil Myers and Justin Upton in trades. It was a transformation that would have made Renee Zellweger proud.

Chicago's off-season went under the radar for some reason, but they appeared to get a bit better too, picking up an ace in Jeff Samardzija, David Robertson, first baseman, DH Adam LaRoche, and outfielder Melky Cabrera. But was it enough? Chris Sale, Samardzija and Jose Quintana make a nice top-three, but there are holes in other places.

Boston has a glut of position players after signing Hanley Ramirez to play left field and Pablo Sandoval to play third. They didn't do enough to bolster their starting rotation, however, relying on Rick Porcello to be the staff ace. Frankly, this is a team that is screaming for one more important piece to be added to the puzzle, Cole Hamels. But, so far, they've been reluctant to offer to the type of prospects Philadelphia is seeking in return. Still, I think this is a deal that happens at some point this season.

The Cubs' addition of Lester will clearly help a rotation that could be one of the NL's best, with Jake Arrieta, Jason Hammel, Travis Wood and Edwin Jackson in it. And if any of those guys stumbles or gets hurt, they have the resources to trade for a Hamels or, if the Reds fall out of contention by mid-season, a Johnny Cueto. The third base job should go to super prospect Kris Bryant at some point, and the rest of the team is bursting at the seams with young talent, specifically the young Cuban Jorge Soler.

Baseball is finally here, everybody. Let's all thaw out by the warm glowing warming glow of spring training pictures on your internet.