![Phillies' Corey Knebel has a 'surprise' pitch four years in the making. But he won't tell you what it is. Phillies' Corey Knebel has a 'surprise' pitch four years in the making. But he won't tell you what it is.](https://www.inquirer.com/resizer/Dt6qvIDNjaw47A8WmykW0K7xp4w=/760x507/smart/filters:format(webp)/cloudfront-us-east-1.images.arcpublishing.com/pmn/5WA6KIKMTZAI7GA4ZM6RZTXBFI.jpg)
Phillies' Corey Knebel has a 'surprise' pitch four years in the making. But he won't tell you what it is.
![Phillies reinstate Corey Knebel from COVID IL, send Jeff Singer back to minors - NBC Sports Philadelphia Phillies reinstate Corey Knebel from COVID IL, send Jeff Singer back to minors - NBC Sports Philadelphia](https://www.nbcsports.com/sites/rsnunited/files/styles/metatags_opengraph/public/article/hero/Corey-Knebel-Phillies-USA.jpg?h=b82b54af)
Phillies reinstate Corey Knebel from COVID IL, send Jeff Singer back to minors - NBC Sports Philadelphia
Lindemann - Knebel (Official Trailer) | Your one and only chance to see the “Knebel” music video UNCENSORED. Shown only once and never again! Premiere at http://knebel-video.com tonight at 11... | By
![Phillies closer Corey Knebel placed on COVID injured list, hometown kid Jeff Singer called up - NBC Sports Philadelphia Phillies closer Corey Knebel placed on COVID injured list, hometown kid Jeff Singer called up - NBC Sports Philadelphia](https://www.nbcsports.com/sites/rsnunited/files/article/hero/Corey-Knebel-Phillies-Getty.jpg)