![MLB Pipeline on X: No. 4 overall Draft pick Marcelo Mayer walked three times in four plate appearances in his pro debut for the FCL @RedSox. Here's how 2021 #MLBDraft picks are](https://cdn.vox-cdn.com/thumbor/44VBPhv3FsG1gmWe1HUnJLjxSAU=/1400x1400/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/22711539/1233532125.jpg)
The Boston Red Sox select Marcelo Mayer with the 4th overall pick
![MLB Pipeline on X: No. 4 overall Draft pick Marcelo Mayer walked three times in four plate appearances in his pro debut for the FCL @RedSox. Here's how 2021 #MLBDraft picks are](https://i.ytimg.com/vi/kvHX3SZNIeI/maxresdefault.jpg)
Eastlake's Marcelo Mayer selected No. 4 overall by Boston Red Sox
![MLB Pipeline on X: No. 4 overall Draft pick Marcelo Mayer walked three times in four plate appearances in his pro debut for the FCL @RedSox. Here's how 2021 #MLBDraft picks are](https://i.ytimg.com/vi/jN3J9mlYxTE/hq720.jpg?sqp=-oaymwE7CK4FEIIDSFryq4qpAy0IARUAAAAAGAElAADIQj0AgKJD8AEB-AHUBoAC4AOKAgwIABABGHIgTCg3MA8=&rs=AOn4CLD8UyTGpsHI-_DIAe5_P9H1MTwumg)
Boston Red Sox select Marcelo Mayer from Eastlake HS with the 4th
![MLB Pipeline on X: No. 4 overall Draft pick Marcelo Mayer walked three times in four plate appearances in his pro debut for the FCL @RedSox. Here's how 2021 #MLBDraft picks are](https://cloudfront-us-east-1.images.arcpublishing.com/bostonglobe/L2HKULSRANBK7AVYV42C2WIEII.jpg)
Red Sox first-round draft pick Marcelo Mayer wants to sign 'as
![MLB Pipeline on X: No. 4 overall Draft pick Marcelo Mayer walked three times in four plate appearances in his pro debut for the FCL @RedSox. Here's how 2021 #MLBDraft picks are](https://img.mlbstatic.com/mlb-images/image/private/ar_16:9,g_auto,q_auto:good,w_1024,c_fill,f_jpg,dpr_3.0/mlb/s2anfnt5g5mwvb9lwjb0)
Marcelo Mayer, No. 4 Draft pick, signs with Red Sox
![MLB Pipeline on X: No. 4 overall Draft pick Marcelo Mayer walked three times in four plate appearances in his pro debut for the FCL @RedSox. Here's how 2021 #MLBDraft picks are](https://i.ytimg.com/vi/LG6tUn-xUvs/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLCIXY_h7dBnOdJDMmXljRgdwtrAkA)
On the Clock with the 4th Pick Boston Red Sox 2021 MLB Draft
![MLB Pipeline on X: No. 4 overall Draft pick Marcelo Mayer walked three times in four plate appearances in his pro debut for the FCL @RedSox. Here's how 2021 #MLBDraft picks are](https://bloggingtheredsox.files.wordpress.com/2022/10/i-hnlcpxb-x2.jpg?w=640)
How did Red Sox top prospect Marcelo Mayer fare in first full pro
![MLB Pipeline on X: No. 4 overall Draft pick Marcelo Mayer walked three times in four plate appearances in his pro debut for the FCL @RedSox. Here's how 2021 #MLBDraft picks are](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/mcans25ecqepuvwq3uaz)
Marcelo Mayer, No. 4 Draft pick, signs with Red Sox
![MLB Pipeline on X: No. 4 overall Draft pick Marcelo Mayer walked three times in four plate appearances in his pro debut for the FCL @RedSox. Here's how 2021 #MLBDraft picks are](https://cloudfront-us-east-1.images.arcpublishing.com/bostonglobe/T5YFJHQH27HLNFXUJYF2MWZW7Q.jpg)
Red Sox promote top prospect Marcelo Mayer to High A Greenville
![MLB Pipeline on X: No. 4 overall Draft pick Marcelo Mayer walked three times in four plate appearances in his pro debut for the FCL @RedSox. Here's how 2021 #MLBDraft picks are](https://i.ytimg.com/vi/N1brzRPrH70/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLBqtX30FftLCmsqL3eYbOqVrJWE-w)
On the Clock with the 4th Pick Boston Red Sox 2021 MLB Draft