NFL threatens 4 players with indefinite suspension for failing to cooperate in performance-enhancing drugs investigation.

NEW YORK (AP) NFL threatens 4 players with indefinite suspension for failing to cooperate in performance-enhancing drugs investigation.

SI Apps
We've Got Apps Too
Get expert analysis, unrivaled access, and the award-winning storytelling only SI can provide—from Peter King, Tom Verducci, Lee Jenkins, Andy Staples, Grant Wahl, and more—delivered straight to you, along with up-to-the-minute news and live scores.