RGIII Concussion Controversy By fox5dc.com staff FOX 5 DC News Published September 15, 2015 7:08 AM EDT Share Copy Link Email Facebook Twitter LinkedIn Reddit Published September 15, 2015 7:08 AM EDT Image 1 of 2 ▼ Dr. Jay Greenstein, CEO of Sport and Spine Rehab helps us 'wrap our heads' around the RGIII concussion controversy and clearance.