Complex sentence: On May 5,2011 Guyer was called up to the majors after a successful stint with the Durham Bulls.On May 6th 2011 in his first major league at bat, he hit a 2 run home run against Baltimore Orioles rookie pitcher Zach Britton.
Split into simpler sentences: On May 5,2011 Guyer was called up to the majors after a successful stint with the Durham Bulls. The next day, in his first major league at bat, he hit a 2-run home run off of Baltimore Orioles rookie pitcher Zach Britton.