- Broncos’ Alex Singleton reveals he underwent surgery Friday for testicular cancer 9News
- LB Singleton has surgery for testicular cancer ESPN
- Broncos captain Alex Singleton reveals he had testicular cancer surgery day after playing Raiders game Fox News
- Denver Broncos’ Alex Singleton Diagnosed with Testicular Cancer After Random Drug Test People.com
- How an NFL drug test led to Broncos LB Alex Singleton’s cancer diagnosis, successful surgery CBS Sports
