Two weeks ago, Sandy Alderson was sitting in the waiting room at Memorial Sloan Kettering Cancer Center in New York. Alderson, the Mets’ general manager, has been cancer-free since May 2016, but he has to go for checkups every four months. While waiting, Alderson picked up the spring issue of the hospital newsletter. The cover story — written in the first person — was about a fervent Chicago Cubs fan named Abby Wood, and how her favorite team and her lucky Cubs hat helped her get through her battle with lymphoma. And that when the team won the World Series last season — after an epic 108-year wait — it felt intensely special to her because two of the Cubs’ most prominent players, Anthony Rizzo and Jon Lester, are also cancer survivors. Alderson knew the Cubs would soon be in New York to play the Mets, so he decided he would invite Wood to one of the games. Continue reading the main story As he was preparing to do so, Alderson was also getting ready to j