The name of the fictitious minor league baseball team in "The Simpsons" is the "Springfield Isotopes." The Springfield Isotopes are often featured in episodes of the show, particularly in episodes that involve baseball or the town's sports activities. The team's name is a reference to the Springfield Nuclear Power Plant, which plays a significant role in the series as Homer Simpson's workplace. The Isotopes' logo typically features a baseball with nuclear symbols, further emphasizing the connection to the power plant.