These players broke one of the unwritten rules of their sport. Welcome to WatchMojo, and today we’re looking at notorious times athletes left their team to join a despised rival.

McBride agreed to a four-year contract extension with the Cardinals on Thursday, Darren Urban of the team's official site reports. McBride is thus under contract with Arizona through the 2029 season.

Friday afternoon, April 4 the Cardinals (4-2) are in Boston to take on the Red Sox (2-4) in Game 1 of a weekend series. Erick Fedde is slated to take the mound for St. Louis against Walker Buehler for ...

The St. Louis Cardinals have been pretty solid to begin the 2025 Major League Baseball season. St. Louis is 4-2 and currently is sitting atop the National League Central standings. The Cardinals ...

The Cardinals recalled Saggese from Triple-A Memphis on Friday, Jeff Jones of the Belleville News-Democrat reports. He's taking the roster spot vacated by Nolan Gorman (hamstring). Saggese had ...

The St. Louis Cardinals are stuck between rebuilding and contending as they begin their 2025 season, leaving many wondering how they'll approach this summer's trade deadline. After failing to move ...

The Arizona Cardinals made Trey McBride the highest-paid tight end in NFL history when they signed him to a contract extension on Friday. McBride, 25, signed a four-year, $76 million contract ...

The St. Louis Cardinals had a decision to make throughout the spring about the center field position. After a red-hot camp, the Cardinals opted to go with Victor Scott II in center field and it ...

NASCAR Hall of Famer Dale Earnhardt Jr. is shifting gears with his No. 8 merchandising. Earnhardt announced on social media ...

According to KPRC2's Aaron Wilson, the Cardinals have already hosted Texas A&M edge Nic Scourton for a pre-draft visit. Scourton has a bit of an odd prospect profile in a class that has plenty of ...

The 27-year-old fan-favorite has all of the potential in the world but injuries have slowed him down through his first four seasons with the Cardinals. He's fully healthy right now and has been ...

It looks like the Arizona Cardinals are really considering drafting one of the stars from Arizona State's 2024 football roster. The team began to show interest in ASU running back Cam Skattebo ...