Simplify the following text for a Grade 4 native English-speaking person.
Original: He was very good at such gambling pursuits and was a naturally gifted athlete , attaining a Triple-A level as a baseball player in the minor leagues , once bowled a perfect game , and was a fine golfer .
Simplified: He was a Triple-A level baseball player in the minor leagues . He once bowled a perfect game , and was a good golfer .