Baseball Fever

Baseball season is in full swing, but anyone looking to combine a road trip with the nation’s pastime should consider visiting a minor league ballpark.

In honor of opening day, here is a brief look at five of the greatest teams to ever take the field. Before the turn of the 20th century, that is.

Mark McGwire’s 70th home run ball from his record-breaking 1998 season contains a synthetic rubber ring or spring — a material not outlined in official Major League Baseball specifications.