There's no shame in being a 6th man and coming off the bench. It is possible to be very productive in this role and really help your team.
Brandon Roy's good friend, Jamal Crawford averaged 18.0 PPG in 2009-10 coming off the bench (didn't start a single came) and won 6th Man of the Year. I think Roy should reach out to him for some advice - perhaps he already has.
Jason Terry averaged 19.6 PPG coming off the bench in 2008-09.
Manu has been both an all-star and 6th man of the year - but not in the same season. He was, however, 3rd team all-NBA while coming off the bench in 2007-08 while averaging 19.5 PPG.
Detlef Schremf was a 3-time all-star and 2-time 6th Man of the Year winner. Again, not in the same seasons (although he was an all-star in 1993 after spending the first 1/4 of the season coming off the bench).
Our own Uncle Cliffy averaged 19.1 PPG and won 6th Man of the Year in 92-93.
Ricky Pierce averaged 23.0 PPG coming off the bench in 1989-90, and 20.5 PPG the following season. His PTS/36 went down noticeably when he became a starter. That's one advantage Roy will have coming off the bench - many of his minutes will be spent against the other team's second unit.
Kevin McHale was an all-star and 6th Man of the Year in the same season (83-84) when he averaged 18.4 PPG. He won 6th Man of eth Year again the following season while averaging 19.5 PPG.
Can Brandon Roy be a 6th Man AND an All-Star - at the same time? It can, and has, happened, but it's rather rare. What is much more common is a 6th man who averages 18 or 19 PPG and is a huge contributor to his team's success. Right now, with our injury depleted roster, out bench flat out sucks and is costing us wins. A less than 100% Brandon Roy would be a huge upgrade over anyone we currently have coming off the bench. I hope he can make the transition, accept his new role, and turn our bench from a liability into an asset.
BNM