Donald becomes just the second defensive tackle to reach that number. The Los Angeles Rams are facing the division rival Arizona Cardinals on Sunday. The Rams have won 10 of the last 11 games against Arizona, and that’s partly because of their dominating defensive tackle, Aaron Donald. On Sunday, Donald hit another milestone in his already distinguished career. Donald registered his 100th career NFL sack. And it might have been a little sweeter coming against a division opponent he regularly helps his team dominate. The notable accomplishment came in the first quarter as Donald closed in on Cardinals’ quarterback Kyler…