Sullivan, Cooper prepare for center duties

John Sullivan is hoping to be ready to play on Sunday, but Sullivan's history of calf injuries tells Jon Cooper to be ready if needed. The way it's been going with Sullivan, there's a decent chance Cooper will be needed.
November 17, 2010

Vikings undrafted linemen hold same attitude

The Vikings had three high-round draft choices starting on their offensive line Sunday … and two undrafted free agents who spend almost every day trying to prove NFL teams wrong. Anthony Herrera and Jon Cooper talk about their draft-day snubs sticking with them.
October 21, 2010

Vikings-Cowboys game plan

The Cowboys' strength could be the Vikings' defensive weakness, especially being shorthanded at cornerback.Of course, the Vikings have their own receiving weapons, too. Get the view from both camps, along with some of the intriguing matchups to watch.
October 15, 2010

Cooper has confidence

Center Jon Cooper has gone from 2009 undrafted rookie to a likely first-time starter in Sunday's game against the Dallas Cowboys. After getting the call in the second half Monday night, Cooper is confident in his abilities to withstand the test.
October 14, 2010

Center up for grabs again

The Vikings have tried three different centers already this season and 2009 rookie free agent Jon Cooper could be the starter Sunday against the Dallas Cowboys. Cooper ended up playing the second half after the Vikings pulled Ryan Cook.
October 13, 2010

Sullivan earns more in PBP than base salary

Center John Sullivan led all NFL players in the performance-based-pay system in 2009. The program, which compensates players for playing time based upon their salary level, will no longer be in effect for 2010 because there is no salary cap.
March 23, 2010