Complex sentence: Fox was drafted by the Arizona Diamondbacks in the 6th round of the 2001 Major League Baseball Draft, but didn't sign, opting to attend the University of Central Florida, where he played for the UCF Knights baseball team.
Split into simpler sentences: Fox was drafted by the Arizona Diamondbacks in the 6th round of the 2001 Major League Baseball Draft, but he did not sign. He instead opted to attend the University of Central Florida, where he played for the UCF Knights baseball team.