ENGLEWOOD, Colo. — Alex Singleton is playing football again less than three weeks after undergoing surgery to remove a cancerous testicular tumor that he feared would spell the end of his NFL career.

Denver's leading tackler aims to play at Washington (3-8) this weekend when the Broncos (9-2) try to extend their eight-game winning streak.

“We're tracking that way,” the 31-year-old linebacker said about 24 hours after going on "Good Morning America” to talk about his diagnosis and the need for early detection for a disease that affects about one in 250 American men.

Singleton was notified Oct. 27, one day after he had 11 tackles and forced a fumble in a win over the Cowboys, that a random NFL-mandated drug test had revealed elevated levels of a hormone called human chorionic gonadotropin

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