Complex sentence: On August 3,2011 against the Seattle Mariners, Ryan hit an infield triple; after reaching first base on an infield single, he saw that no one was covering second base so he advanced there, and did the same to third base.
Split into simpler sentences: On August 3,2011 against the Seattle Mariners, Ryan reached 3rd base on an infield hit. After reaching first base on an infield single, he saw that no one was covering second base so he advanced there, and did the same to third base.