![With MLB set to police foreign substances, Astros pitchers don't appear to be as culpable as some - The Crawfish Boxes With MLB set to police foreign substances, Astros pitchers don't appear to be as culpable as some - The Crawfish Boxes](https://cdn.vox-cdn.com/thumbor/ht2jNATweI0bVycdKi0x8YYYgCE=/1400x1400/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/22661236/usa_today_15981427.jpg)
With MLB set to police foreign substances, Astros pitchers don't appear to be as culpable as some - The Crawfish Boxes
![A look at Trevor Bauer's history of discussing foreign substances on baseballs and increasing spin rate - CBSSports.com A look at Trevor Bauer's history of discussing foreign substances on baseballs and increasing spin rate - CBSSports.com](https://sportshub.cbsistatic.com/i/r/2021/04/03/e35dbf87-e8bf-4ea0-94b6-48fc5c7402df/thumbnail/1200x675/20d4f54516a12343424bee83e0f3faa3/trevor-bauer-dodgers.jpg)
A look at Trevor Bauer's history of discussing foreign substances on baseballs and increasing spin rate - CBSSports.com
![MLB will enforce foreign-substance ban on balls; Rays' Tyler Glasnow responds after going on injured list - Athletics Nation MLB will enforce foreign-substance ban on balls; Rays' Tyler Glasnow responds after going on injured list - Athletics Nation](https://cdn.vox-cdn.com/thumbor/954FCtKiMWMTMH_lg7SON-yGjLw=/1400x1050/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/22661443/169720565.jpg)
MLB will enforce foreign-substance ban on balls; Rays' Tyler Glasnow responds after going on injured list - Athletics Nation
![Two weeks into MLB's foreign substance enforcement, lower spin rates and improving offense - Washington Times Two weeks into MLB's foreign substance enforcement, lower spin rates and improving offense - Washington Times](https://media.washtimes.com/media/image/2021/06/27/nationals_marlins_baseball_88666.jpg)