![An increase in velocity helps explain why White Sox lefty Aaron Bummer has emerged as one of the AL's nastiest relievers - Chicago Tribune An increase in velocity helps explain why White Sox lefty Aaron Bummer has emerged as one of the AL's nastiest relievers - Chicago Tribune](https://www.chicagotribune.com/resizer/2z0n7B1tuDDlXxjxXBSQbxMv_U8=/415x276/top/arc-anglerfish-arc2-prod-tronc.s3.amazonaws.com/public/HGWAEJLLUZFQJMH7TO567XKQFY.jpg)
An increase in velocity helps explain why White Sox lefty Aaron Bummer has emerged as one of the AL's nastiest relievers - Chicago Tribune
![The Truth Behind the Rise of the Strikeout in Major League Baseball | Bleacher Report | Latest News, Videos and Highlights The Truth Behind the Rise of the Strikeout in Major League Baseball | Bleacher Report | Latest News, Videos and Highlights](https://img.bleacherreport.net/img/images/photos/002/198/621/163272321_crop_north.jpg?1362844088&w=3072&h=2048)
The Truth Behind the Rise of the Strikeout in Major League Baseball | Bleacher Report | Latest News, Videos and Highlights
![Baseball just saw its biggest home run surge since the steroids era. Here's why. - The Washington Post Baseball just saw its biggest home run surge since the steroids era. Here's why. - The Washington Post](https://www.washingtonpost.com/resizer/D_61cqTaY6k0yHC39Va0i-sdaN4=/arc-anglerfish-washpost-prod-washpost/public/O2VBXBCAHE2O5K4XVA3FSXXXG4.jpg)