The defense was the culprit in Week 5, as the Buccaneers racked up a season-high 38 points and 369 yards.
While the talented young offense is off to Jacksonville's best start since 2007, Gus Bradley's defense simply lacks star power, as we pointed out on the Around The NFL Podcast this week.
A Pro Bowl alternate last year, Marks recorded 8.5 sacks, 15 tackles for loss, and 16 quarterback hurries before tearing his ACL against Houston in the season finale.
"I feel good about it," Marks said of his return, via the Florida Times-Union. "I've had a good two weeks of practice. I'm 100 percent ready, but I still don't know what to expect."