The Raptors, trailing by 15 points after three quarters, narrowed the deficit to five thanks to 10 late points from Linas Kleiza, but Leandro Barbosa's 3-pointer with 2:09 left turned back the Toronto rally.
Hill also grabbed seven rebounds, while Paul George added 15 points and Barbosa finished with 14 as the Pacers solidified their third-seed position in the Eastern Conference with their fifth win in six games.
Kleiza ended with 18 points off the bench and Alan Anderson chipped in 17 for the Raptors.
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