Complex sentence: He joined the Lehigh Valley IronPigs, the Phillies'AAA affiliate, in early June; after playing only one game with Lehigh Valley, however, Martínez returned to the Phillies' 25-man roster following an injury to second baseman Freddy Galvis.
Split into simpler sentences: He joined the Lehigh Valley IronPigs, the Phillies'AAA affiliate, in early June. After playing only one game with Lehigh Valley, Martínez returned to the Phillies' 25-man roster following an injury to second baseman Freddy Galvis.