Simplify the following text for a Grade 11 native English-speaking person.
Original: Recognizing his athletic talents , Robinson 's older brothers Mack ( himself an accomplished athlete and silver medalist at the 1936 Summer Olympics ) and Frank inspired Jackie to pursue his interest in sports .
Simplified: Seeing that Robinson was good at sports , his older brothers Mack ( himself a good athlete and silver medal winner at the 1936 Summer Olympics ) and Frank inspired Jackie to follow his interest in sports .