sentences:  Having previously been represented by Victor Menocal from Career Sports Entertainment (CSE) until Menocal resigned from CSE, news emerged on May 6 that Heyward switched his agent to Casey Close.From the beginning of spring training, Heyward endured lingering shoulder soreness.After collecting just four hits in 41 at bats in May, the Braves performed a magnetic resonance imaging (MRI) scan on May 12 which revealed an inflamed rotator cuff but no structural damage.