MLB.com At Bat 12. You can use that MLB.TV Premium subscription to watch live games anywhere. Just updated for regular-season mode, the award-winning app includes upgraded Gameday graphics and high-definition video that will let users of the new iPad get the most out of that retina display.
At Bat is available as a single app for phones and tablets on the iOS and Android platforms, and for the first time, it offers fans several subscription options. It is also available for Amazon's Kindle Fire, and it supports Blackberry phones with 5.0, 6.0 and 7.0 operating systems.
Ticketing. Everyone's talking about MLB FanPass, and most clubs are trying out some form of delivering tickets this way as the digital ticketing revolution continues with MLB at the forefront. Look for single-game tickets or plan group outings, schedule trips around the coolest promotions, order flex plans or take advantage of dynamic pricing.
MLB.com At the Ballpark. This second MLB app perfectly complements and personalizes your trip with mobile check-in, social media, offers, rewards and exclusive content. Select MLB ballparks also offer a mobile food ordering component.
MLB.com Shop. The new virtual catalog is out, and to celebrate Opening Day, you can buy one item and get 40 percent off a second of equal or lesser value. Use it on one of those new Personalized Cooperstown Fireballer V-neck Jerseys. The Shop has lowered shipping rates, starting at $4.95 now, and you can get a 365-day money-back guarantee.
Probable Pitchers. It's good to have these back. Study the upcoming pitching matchups, either on MLB.com for the full docket or on your favorite club site for just your team's probables. Great for managing Fantasy rosters.
Join a fan club. Join your favorite, including Red Sox Nation, Cubs Club, The Tribe, Sox Pride Club, Twins Territory Team, Club Mets, Yankees Universe, Fightin' Phils Fan Club, Cardinals Nation and the Official Detroit Tigers Fan Club.
MLB.com Voices. From Hall of Fame broadcaster Peter Gammons to teen-ager Meggie Zahneis, your favorite columnists post provocative and entertaining opinions.
Beat the Streak presented by Scotts. Pick one player every day who you think will get a hit, and try to "break" Joe DiMaggio's legendary 56-game hitting streak. Be the first to reach 57 games and win $5.6 million.
MLB.com Full Count on Yahoo! Sports. Tune in daily for live coverage of all the action around MLB -- live look-ins, highlights, breaking news and more, featuring a host narrator. Download the free iOS app to take MLB.com Full Count with you wherever you go.
Social gaming. Tired of "Words With Friends?" Enjoy a pair of free-to-play baseball games on Facebook. WGT Baseball: MLB lets you live the MLB Dream by playing against friends in HD-quality MLB ballparks. EA Sports' World Series Superstars puts you in control as you build an ultimate team of real MLB players and manage them through the ranks on your way to a World Series title.
Anniversary celebrations. There are some big anniversaries happening at ballparks around the Majors. Some of the commemorative spots are FenwayPark100.com, CamdenYards20.com and Mets50.com, and be on the lookout for more.
MLB.com FastCast. The fastest video roundup in baseball, every day for fans who want a quick catch-up filled with all the highlights you gotta see.
Fantasy. Play MLB.com Fantasy Baseball 2012 and compete to win $10,000. Play the official Fantasy Baseball Commissioner game of MLB, from CBS Sports.
Gameday. You probably used this throughout the Cardinals-Marlins opener, whether on your computer on using At Bat on a handheld. It's a great way to augment the MLB.TV stream.
Cut4. You're in the know if you already knew that this was an expression shouted by a fielder to the cutoff man whose back is to home plate on a relay. See what's trending as baseball and culture intersect around the clock, and be sure to share with friends.
MLB.com Blogs. MLB Advanced Media partnered with WordPress.com to create the best baseball blog platform anywhere. Try to get your blog in the Latest Leaders along with such PRO bloggers as Mitch Williams, Marlon Byrd, Phillies Ballgirls, Jim Kaat, Keith Olbermann, Tommy Lasorda, Richard Justice, all MLB.com beat reporters and front offices galore. Check out the community blog and get promoted.
Win cool stuff. Entering contests and sweeps for big prizes is a rite of every summer at MLB.com, and we're off and running. Like Scotts' Facebook page, and Scotts will donate $1 to the Boys & Girls Clubs of America, while you will be entered for a chance to win two tickets to this year's All-Star Game and World Series.
MLB.com/stats. You've been waiting for the stats to mean something again, for league leaders to enter the picture. Sort any way you like with the official stats of Major League Baseball.
Social Media. Love baseball? Be sure to like MLB on Facebook. Want the latest news, highlights and fun facts? Follow @MLB on Twitter. And new for 2012, there's Drawn to MLB on Tumblr, and Pinterest for all your pinning needs.
MLB.com Auctions. Looking for memorabilia, gifts and collectibles you can enjoy yourself or with the baseball fan in your life, young and old? Bid on a wide range of items, including signed baseballs, game-used equipment, game-worn jerseys. Auctions are under way for such goods as the Red Sox 2011 St. Patrick's Day game-worn jersey, Rangers game-worn postseason jerseys, and White Sox Charities.
MLB.com Photo Store. Stocked with beautiful action and portrait photography from Getty Images, this is the place to go for custom pics sorted by your favorite players, teams, dates and topics. Get flat-rate shipping on up to 50 loose photos and take advantage of new low shipping rates on frames.
BaseballMemoryLab.com. Launched for Opening Day, this is an invitation for every fan to submit their personal baseball memories, no matter when or where. Commissioner Bud Selig provided the first one to get you started. It's a collaboration of the John Thorn-led MLB Origins Committee and MLBAM.
MiLB.com. More than 2,500 Minor League games will be streamed over MiLB.TV this season, a good way to track rising prospects including Bryce Harper. Be sure to check out the Triple-A app on iTunes.
AllStarGame.com. In the next couple of weeks, you can welcome back a fact of life: Balloting for the Midsummer Classic. This site has everything you need to know about All-Star Week coming to Kansas City in July.