Complex sentence: On April 8,2015, Ross signed a one-year deal with the Oakland Athletics for the league minimum salary of $507,500, with the Diamondbacks paying the remainder of his salary with them.
Split into simpler sentences: On April 8,2015, Ross signed with the Oakland Athletics. They will pay the League salary minimum of $507,500 while the Diamondbacks will pay the remainder of his salary with them.