Lawrence is out with a right foot injury sustained a few games ago while Joseph hurt his left in a win over North Carolina State last weekend
Lawrence, the 6-foot-5, 340-pound sophomore, was in sweats and a walking boot on his right foot during warmups. Lawrence had started the previous nine games, making 33 tackles.
Joseph is a 6-foot, 225-pound junior who is the Tigers' second leading tackler with 69 stops.
Lawrence was the Atlantic Coast Conference defensive freshman of the year in Clemson's national championship season in 2016. He finished the year with 79 tackles and set the school freshman record with seven sacks.
Copyright 2017 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.