Complex sentence: Kiermaier was not eligible for the Gold Glove Award because he did not reach the innings requirement for his team's first 138 games, this was the first time he was not named a finalist for the award.
Split into simpler sentences: Kiermaier was not eligible for the Gold Glove Award because he did not reach the innings requirement for his team's first 138 games. This was the first time he was not named a finalist for the award.