Complex sentence: Ethier entered the 2007 Season expecting to split time with Matt Kemp, and Luis Gonzalez in the outfield, but Ethier got a lot of playing time early due to an injury to Kemp.
Split into simpler sentences: Ethier entered the 2007 Season expecting to split time with Matt Kemp, and Luis Gonzalez in the outfield. But Ethier got a lot of playing time early due to an injury to Kemp.