Last Updated: June 17th, 2026 by Michael Griffin
There’s nothing like an MLB blockbuster trade to make grown men yell at their radios, curse at their newspapers, or pace the kitchen floor clutching a Schlitz. These trades didn’t just reshape teams—they rewired the DNA of entire fan bases. For anyone who remembers transistor radios, Topps gum, and when “analytics” just meant counting RBIs, here are the 15 most controversial trades in baseball history that took place well before the days of social media.
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Babe Ruth to the Yankees: The Curse of the Bambino Begins
It was 1919, and the Red Sox sold Babe Ruth to the Yankees for $100,000 and a loan to fund a Broadway show. Boston fans got decades of heartbreak, while Yankees fans got a dynasty and a reason to gloat at Thanksgiving. The “Curse of the Bambino” haunted Beantown for 86 long years.
Nolan Ryan for Jim Fregosi: The Mets’ Million-Dollar Oops
The Mets swapped young Nolan Ryan to the Angels for Jim Fregosi, a veteran with more aches than innings left. Ryan went on to throw seven no-hitters and 5,714 strikeouts. While this does make the Flushing Faithful sad, there is no guarantee that the Ryan Express would have flourished at Shea like he did elsewhere.
Lou Brock Leaves Chicago: The Cubs’ Legendary Blunder
In 1964, the Cubs traded away a speedy but inconsistent Lou Brock for pitcher Ernie Broglio. Brock blossomed into a Hall of Famer and base-stealing legend in St. Louis, while Broglio’s arm gave out faster than you can say “Wrigleyville.”
Frank Robinson Sent Packing: “Old” MVP Becomes a Legend
The Reds deemed Frank Robinson “an old 30” and sent him to Baltimore for a pile of spare parts. Robinson promptly won the Triple Crown and led the Orioles to a World Series title, while Cincinnati fans learned the hard way never to trust the word “old.”
Pedro Martínez Traded Twice: Still Not Old Enough to Rent a Car
Pedro Martínez was traded first by the Dodgers, then by the Expos, before he could legally rent a car. He went on to become a pitching wizard, turning Fenway Park into a house of magic and making LA and Montreal fans wonder what might have been.
Tom Seaver’s Midnight Ride to Cincinnati
On a dark June night in 1977, the Mets sent “The Franchise” Tom Seaver to Cincinnati for four players and a city-wide panic attack. Mets fans wailed, while Reds fans set out the good china for their new ace. Seaver did have a reunion in ’83 but then left to win his 300th game as a member of the Chicago White Sox. Sigh.
Jeff Bagwell for Larry Andersen: The Astros’ Gift-Wrapped Hall of Famer
The Red Sox, hungry for a reliever, shipped off a scrawny minor league third baseman named Jeff Bagwell to Houston. Bagwell grew into a Hall of Famer, while Boston got a few weeks of Larry Andersen’s mustache and a lifetime of regret.
Ryne Sandberg Tossed in as a “Throw-In”
The Phillies tossed in a young Ryne Sandberg as a sweetener in a deal with the Cubs. Chicago got a future MVP and icon; Philly got a lump in the throat every July when Sandberg’s statue caught the sunlight at Wrigley.
Keith Hernandez: Traded Over a Plate of Pasta
The Cardinals shipped Keith Hernandez to the Mets after a falling out—rumor has it, over a bowl of linguine with Whitey Herzog. St. Louis lost a Gold Glove staple; New York gained a mustachioed leader and a September to remember in ’86.
Curt Schilling: Philly’s Gift, Boston’s Bloody Sock
Traded from the Phillies to the Diamondbacks, then to Boston, Curt Schilling’s postseason heroics—plus that not-so-subtle bloody sock—became World Series legend. Philly fans got a case of what-might-have-been, and Boston finally exorcised their curse.
The Herschel Walker of Baseball: The Doyle Alexander for John Smoltz Swap
In 1987, the Tigers swapped a young John Smoltz for Doyle Alexander’s playoff push. Alexander pitched well, but Smoltz became a Braves legend and a Hall of Famer, leaving Detroit fans with a cold October and a lifetime of “what if.”
Fred McGriff and the Fire Sale That Torched the Padres
When the Padres held a fire sale in 1993, they sent Fred McGriff to Atlanta for prospects and payroll relief. The Braves powered up for another pennant, while San Diego fans lost the “Crime Dog” and their faith in ownership. This was the second time that a team had to regret trading McGriff, with the Yankees being the first.
David Cone Traded for Practically a Bag of Balls
The Royals traded young David Cone to the Mets for Ed Hearn and two prospects who never panned out. Cone became a Cy Young winner; Hearn became a trivia answer. Kansas City fans are still shaking their heads over a cold Hamm’s. Mets fans did have to watch him throw a no-hitter for the hated crosstown rival Yankees.
Gary Carter Goes North: The Kid Leaves Queens
When the Expos sent fan-favorite Gary Carter to the Mets, it was the end of an era in Montreal and the start of a new one in Queens. Carter’s grin powered the ’86 Mets, while Expos fans nursed their wounds with poutine and memories. He did get to have a happy ending of sorts — he played his final season in Montreal. Canada mourned The Kid when he passed.
The Josh Donaldson Shockwave: From Oakland to MVP
Oakland sent Josh Donaldson to Toronto for prospects, igniting a firestorm among A’s fans. Donaldson immediately won AL MVP, while Oakland’s return fizzled faster than a sparkler at a Fourth of July picnic. The slugger’s social media handle “BringerofRain20” could have meant the tears Oakland fans shed at this deal.