Denver tight end Jake Butt is out for the year with a left ACL tear, according to Mike Klis of 9News.
Jake Butt was going through walkthrough-speed coverage on kickoff assignment when he suffered injury, according to a source close to Butt. Similar to how TE Jeff Heuerman tore his ACL during his rookie minicamp in 2015. #9sports
— Mike Klis (@MikeKlis) September 27, 2018
This is Butt’s second ACL tear in three seasons, as he rehabilitated throughout his NFL rookie year. He injured his right knee in his final game as a Wolverine in the 2016 Orange Bowl against Florida State.