Here are the best and worst 4-man lineups that have played in at least 12 games. A few interesting results.
FG%
Best - Bass, Green, Olynyk, Turner: 51%
Worst - Bass, Green, Rondo, Zeller: 34.1%
Points per 100 possessions
Best - Bass, Olynyk, Thornton, Turner: 117
Worst - Bass, Green, Rondo, Zeller: 79.4
+/-
Best - Bass, Olynyk, Thornton, Turner: 14.6
Worst - Bass, Green, Rondo, Zeller: -36.9
Assists per 100 possessions
Best - Green, Rondo, Sullinger, Turner: 28.1
Worst - Bass, Green, Olynyk, Rondo: 20
Turnovers per 100 possessions
Best - Bass, Bradley, Olynyk, Turner: 9.1
Worst - Green, Rondo, Sullinger, Turner: 25.4
Points allowed per 100 possessions
Best - Bass, Green, Rondo, Sullinger: 88.3
Worst - Turner, Green, Rondo, Sullinger: 129.1
Rebounding %
Best - Green, Rondo, Sullinger, Turner: 56%
Worst - Bass, Bradly, Olynyk, Turner: 40.9%