Complex sentence: He had an excellent 2013 season for the Giants, significantly imporving the Giants defense; in his 11 games with the Giants they went 7-4 (after an 0-5 start), and Beason had 93 tackles.
Split into simpler sentences: He had an excellent 2013 season for the Giants, improving their defense. In his 11 games with the Giants, they were 7-4 (after an 0-5 start), and had 93 tackles.