[ESPN.com] Dwayne Bowe was suspended without pay for four games Tuesday for violating the NFL’s policy against performance-enhancing substances. Neither the Chiefs nor the league would make further comment and Bowe’s agent, Todd France, did not return calls seeking comment.

Bowe’s suspension, which begins immediately, has to do with the use of diuretics; he was trying to lose weight during training camp, a source told ESPN NFL Insider Adam Schefter. Bowe will not appeal the suspension.