Washington Commanders left tackle Laremy Tunsil will undergo surgery for a torn triceps suffered during practice at training camp on Saturday, head coach Dan Quinn confirmed on Monday. Tunsil is expected to miss "at least a significant portion of the regular season," per Steve Wyche and Mike Garafolo of NFL Network, who provided details on the injury. "Tunsil immediately bent over in apparent pain and held his right side and headed to the medical tent just off the field. The 32-year-old Tunsil is a five-time Pro Bowler entering his 11th NFL season and second with Washington. Running back Austin Ekeler suffered a torn Achilles tendon in Week 2, edge rusher Dorance Armstrong Jr. suffered a torn ACL in Week 7, cornerback Marshon Lattimore suffered a torn left ACL in Week 9 and cornerback Trey Amos suffered a fractured fibula in Week 10.