Returning starters Reggie Wayne and Austin Collie will lead the way, but a group of speedy rookies and former St. Louis Ram Donnie Avery are also expected to compete for playing time. The group has the ability to be dynamic and stretch the field, giving offensive coordinator Bruce Arians the opportunity to employ his power running game. But this group is poised to do more than simply keep the defense honest.
Projected starters: Reggie Wayne (12th season), Austin Collie (4th season). Wayne has been the No. 1 WR for several years, and that's not expected to change. The variable will be how he and Luck gel. Collie has typically been a possession receiver out of the slot. If he is to make the transition to outside receiver opposite Wayne, he'll be counted on to stretch the field more than he has in previous years. Don't be surprised if Collie is again relegated to the slot and replaced by Avery or an upstart rookie.
Key Backups: LaVon Brazill (rookie), Donnie Avery (5th season), T.Y. Hilton (rookie), Griff Whalen (rookie). Brazill and Hilton have made early impressions in camp, and not just for their blazing speed. Brazill, projected to return kicks, has shown off his hands and made a push up the depth chart. Hilton also has proven he can be more than just a burner. Avery will miss the preseason opener, which will only give Hilton and Brazill more exposure. Rookie Griff Whalen has missed much of preseason camp with a foot injury, and is unlikely to play.
A season ago: It's unfair to compare this year's Colts offense with last year, considering the QB situation in 2011. But Reggie Wayne had a solid year, with 75 catches for 960 yards. And Collie was OK (54 catches, 514 yards), but that's it. Everyone else is gone, including Pierre Garcon and Dallas Clark.
Prognosis: This season could be rocky. Nothing aside from blind optimism could predict a breakout season for this Colts offense. But the tools are there, so, if anything, the future appears bright.
Coachspeak: "There's plays being made on both sides of the ball, but it's obvious to see the quarterbacks and receivers, they've got a good thing going on right now," coach Chuck Pagano said after Tuesday night's practice. "I don't care who you have on the other side, the way they're playing, they're making some throws, the quarterbacks and receivers are making players and they're moving down the field."
For more up-to-the-minute news and analysis from Colts blogger Evan Hilbert, follow @CBSSportsNFLIND