The Dodgers have won seven straight division crowns, but remain title-free since 1988. Will either of those things change in 2020? Maybe! Of course, it’s possible that the Dodgers don’t win the West, but keep their title streak alive, if, you know, Major League Baseball has to pull the plug on this farce of a season. But let’s say that L.A., now with Mookie Betts on board, does play a full 60 games. Do they face any real challenges in the division? 2019 NL West Standings credits: The Dodgers’ worst 60-game stretch last year was 35-25, while the best 60-game stretches for the Giants and Rockies were 37-23. The Diamondbacks? 34-26. The Padres? 31-29. So it would take Los Angeles being at its worst, and a division rival at its best, for somebody else to finish first. It might be…