Jameer - 32
D.Harris - 31
JJ Barea - 30
Rondo - 28
Nelson has shot 8 free throws this year, Rondo is shooting 33% from the line. Even if Nelson is 7/8 at the FT line, he's still not giving you much there like Rondo out of infrequency. I don't trust Nelson's durability or that he can keep up his near 37% shooting from deep based on his last two seasons.
Harris shooting 41.2% is way above the mean... come on. Barea? Stop. Just stop.
This is a trade you make for the now and later. Stop overthinking it because the 'assets' you want to hold onto have plenty of numbers that tell us they'll regress back to the mean. And you take the best and youngest player in the trade, which is Rondo. When Dirk's done, a big name or two can come along and join an age 30 Rondo... right now the best/youngest player is Parsons.