In the offseason the Chargers lost their number 1 receiver in Vincent Jackson. Jackson was the Chargers' go to guy and made some great plays. The Bucs outbid the Chargers and we were forced to let him go.
Floyd has been plagued with injury over his career and has consistently missed three or four games to injury with the exception of 2009. If Floyd wants to be considered a top receiver then he needs to stay healthy. If he does stay healthy though I would expect him to vastly improve on his five touchdowns from last year as he should take some of Jackson's touchdowns. Even though Jackson is a big play guy, Floyd is equally so. If you take a look at both their average gains they are both excellent and are around the top of the league. Floyd has averaged a staggering 19.6 yards per catch over the last two years which shows his big play ability and how Rivers likes to throw it deep to Floyd.
Overall Floyd should be much better this year than in previous years as he is given a chance to be a primary receiver. The offseason additions of Meacham and Royal should help spread the field and give Floyd more room to make a play. So long as he avoids injury Floyd should have a 8+ touchdown season and could break the 1000 yard gain mark.