- [Garafolo] Colorado WR Laviska Shenault six weeks removed from core muscle surgery going through drills. @RapSheet recently tweeted a letter from core muscle specialist William Meyers, who performed the surgery and noted Shenault looked “terrific.” Here’s a visual for you. https://twitter.com/MikeGarafolo/status/1252739046750720006?s=20 53 comments nfl