![Baltimore Ravens on Twitter: "We have signed QB Joe Callahan. 📰: https://t.co/j0G7YwfmeA https://t.co/d0lPMWNzoo" / Twitter Baltimore Ravens on Twitter: "We have signed QB Joe Callahan. 📰: https://t.co/j0G7YwfmeA https://t.co/d0lPMWNzoo" / Twitter](https://pbs.twimg.com/media/EAr-frlU8AAMn89.jpg:large)
Baltimore Ravens on Twitter: "We have signed QB Joe Callahan. 📰: https://t.co/j0G7YwfmeA https://t.co/d0lPMWNzoo" / Twitter
![Baltimore Ravens Quarterback Joe Callahan Action Editorial Stock Photo - Stock Image | Shutterstock | Shutterstock Editorial Baltimore Ravens Quarterback Joe Callahan Action Editorial Stock Photo - Stock Image | Shutterstock | Shutterstock Editorial](https://editorial01.shutterstock.com/wm-preview-1500/10369506fu/ab9442cb/Shutterstock_10369506fu.jpg)
Baltimore Ravens Quarterback Joe Callahan Action Editorial Stock Photo - Stock Image | Shutterstock | Shutterstock Editorial
![For backup QB Joe Callahan, it's one final preseason shot with the Eagles then back to life in limbo For backup QB Joe Callahan, it's one final preseason shot with the Eagles then back to life in limbo](https://arc-anglerfish-arc2-prod-pmn.s3.amazonaws.com/public/ESVE6EZX5VAS7KTPLI42SIRIGI.jpg)
For backup QB Joe Callahan, it's one final preseason shot with the Eagles then back to life in limbo
![Locked out of a pro day, small-college QB Joe Callahan found way to impress Packers - Green Bay Packers Blog- ESPN Locked out of a pro day, small-college QB Joe Callahan found way to impress Packers - Green Bay Packers Blog- ESPN](https://a3.espncdn.com/combiner/i?img=%2Fphoto%2F2016%2F0510%2Fr81848_1296x729_16%2D9.jpg)