Colts beat writer Mike Wells answered a question about Donte Moncrief and the WR2 role on the team:
T.Y. Hilton will hold onto the torch for a number of years before Donte Moncrief gets hold of it. Hilton has unofficially taken the torch from Wayne as Andrew Luck's big-play target. Wayne is still Luck's security blanket, but the days of him outrunning the defense for a 50-yard touchdown have passed. Wayne knows it, too.
But I'll still take Wayne over most defensive backs when it comes to getting open on short to intermediate routes. Moncrief will become the Colts' No. 2 receiver sooner than later. It just won't happen until Wayne decides to call it quits on his likely Hall-of-Fame career.
According to Wells it looks like Wayne may hold the WR2 role a little longer. But Moncrief at least appears to be poised to steal WR3 targets away from Hakeem Nicks. By next year, it looks safe to assume Moncrief will be the clear WR3.