Complex sentence: On February 18,1997, he signed a three-year, $8.25 million contract, which was 10 times his 1996 salary, but was about $1 million less than the offer he received from Jacksonville.
Split into simpler sentences: On February 18,1997, he signed a three-year, $8.25 million contract, which was 10 times his 1996 salary. But it was, all totaled, about $1 million less than the offered he received from Jacksonville.