![Boston Red Sox Top Prospects: Triston Casas, Marcelo Mayer, and what makes a number one prospect - Over the Monster Boston Red Sox Top Prospects: Triston Casas, Marcelo Mayer, and what makes a number one prospect - Over the Monster](https://cdn.vox-cdn.com/thumbor/dNDwAS4HVzWX_188QLskA9xgoq8=/1400x1050/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/23212400/1332837002.jpg)
Boston Red Sox Top Prospects: Triston Casas, Marcelo Mayer, and what makes a number one prospect - Over the Monster
![Red Sox draft pick Marcelo Mayer has fired up Instagram reaction to joining Boston - NBC Sports Boston Red Sox draft pick Marcelo Mayer has fired up Instagram reaction to joining Boston - NBC Sports Boston](https://www.nbcsports.com/sites/rsnunited/files/article/hero/Mayer-Marcelo-Getty-1233532140.jpg)
Red Sox draft pick Marcelo Mayer has fired up Instagram reaction to joining Boston - NBC Sports Boston
![Boston Red Sox draft pick Marcelo Mayer 'super excited to share the middle of the field' with prospect Nick Yorke who he saw 'rake' in H.S. - masslive.com Boston Red Sox draft pick Marcelo Mayer 'super excited to share the middle of the field' with prospect Nick Yorke who he saw 'rake' in H.S. - masslive.com](https://cloudfront-us-east-1.images.arcpublishing.com/advancelocal/HUJAQKW4NNBQNB4IUF3VVXLOPA.jpeg)
Boston Red Sox draft pick Marcelo Mayer 'super excited to share the middle of the field' with prospect Nick Yorke who he saw 'rake' in H.S. - masslive.com
![Marcelo Mayer, Boston Red Sox's top prospect, went from 'tall, skinny' to 'wow,' Alex Cora says - masslive.com Marcelo Mayer, Boston Red Sox's top prospect, went from 'tall, skinny' to 'wow,' Alex Cora says - masslive.com](https://cloudfront-us-east-1.images.arcpublishing.com/advancelocal/F7WF6Q7D65CGZDXRDQ4GFNTGKY.jpeg)
Marcelo Mayer, Boston Red Sox's top prospect, went from 'tall, skinny' to 'wow,' Alex Cora says - masslive.com
![Alex Speier on Twitter: "Mysterious image alert from Charleston, SC: Marcelo Mayer and an unexpected Celtics jersey https://t.co/HqN5SY2QBL" / Twitter Alex Speier on Twitter: "Mysterious image alert from Charleston, SC: Marcelo Mayer and an unexpected Celtics jersey https://t.co/HqN5SY2QBL" / Twitter](https://pbs.twimg.com/media/FU7lvBhXoAAQPXu.jpg:large)
Alex Speier on Twitter: "Mysterious image alert from Charleston, SC: Marcelo Mayer and an unexpected Celtics jersey https://t.co/HqN5SY2QBL" / Twitter
![Pete Abraham on Twitter: "Xander Bogaerts with Marcelo Mayer here in Denver. https://t.co/yYXvui0KQK" / Twitter Pete Abraham on Twitter: "Xander Bogaerts with Marcelo Mayer here in Denver. https://t.co/yYXvui0KQK" / Twitter](https://pbs.twimg.com/media/E6H70cNWUAUkOfL.jpg)