Yankees manager Aaron Boone announced Wednesday that outfielder Giancarlo Stanton has been sidelined with a Grade 1 calf strain and may not be ready for Opening Day. Per Lindsey Adler of The Athletic, Boone said Stanton suffered the strain toward the end of his Tuesday fielding work and underwent an MRI. The results of the MRI confirmed the injury. SUBSCRIBE TO OUR CHANNEL: https://www.youtube.com/user/CBSSports FOLLOW US ON: Facebook - https://www.facebook.com/CBSSports/ Instagram - https://www.instagram.com/cbssports/ Twitter - https://twitter.com/CBSSports #MLB #Yankees #GiancarloStanton #BreakingNews #baseball