You are correct that the slugging component of OPS can make a player's OPS rise very quickly. But Broussard is still making good progress. He's not out of the woods yet. But if he can get that on base percentage over .360 in his first full season, and his slugging up over .500, that is a heck of a lot of production from a minimum-salary player.
How, then, are those people of the future—who are taking steroids every day—going to look back on baseball players who used steroids? They're going to look back on them as pioneers. They're going to look back at it and say "So what?" - Bill James, Cooperstown and the 'Roids