Plaxico Burress underwent an MRI on Friday morning on his injured left ankle, which confirmed that he has a sprain, the New York Jets wide receiver said Friday afternoon. Burress sat out of all but the stretching portion of the afternoon practice and was later taken inside for treatment on the injury. "Everyone knows I want to get out on the field," said Burress, who turned 34 Friday. But the Jets aren't ready to let him play. Earlier in the day, coach Rex Ryan said that Burress would not play in Monday's preseason game in Houston. "We don't want it to linger and we think that if we just chill him until Wednesday, he should be fine," Ryan said. Read more: http://espn.go.com/new-york/nfl/sto...axico-burress-play-monday-mri-confirms-sprain