Denver has relied on Marshall

Posted by ESPN.com's Bill Williamson

Denver receiver Brandon Marshall reportedly has asked to be traded from the Denver Broncos. The Broncos have no intentions of dealing him.

Thanks to the folks at ESPN's Stats and Information, it's not difficult to understand why Denver wants to keep Marshall. The Broncos offense relies on him.

No receiver in the NFL was targeted more than Marshall was in 2008. Of course, that could change with quarterback Jay Cutler now in Chicago. Cutler clearly had a thing for Marshall. Here's a chart to prove it:

However, here's another chart that shows Marshall was at his most productive against weaker competition: