A quick look at the 2012 Major League Baseball season reveals a year full of compelling happenings and surprising events that have captivated the attention of the baseball world. From the success of rookie outfielder Mike Trout, who spent the majority of the season playing at age 20, to teams like the Orioles and Athletics mounting viable charges for playoff spots as September quickly gives way to October, this regular season has turned countless heads with mere weeks remaining. Simply put, surprise after surprise has made for good theater.

Consider the seven choices presented below to help determine which storyline has been the most unlikely during the 2012 Major League Baseball season thus far. Have a different player, team or memory in mind? Head to the comment section to leave a thoughtful response citing your case.