By Tom Verducci Let’s take a look at what happened to the back-to-back MVPs to see if they can get back to where they were in 2019. Baseball never saw anything quite like the Yeli & Belli Show of 2019. Christian Yelich of the Brewers, then 27, and Cody Bellinger of the Dodgers, 23, played a game of statistical H-O-R-S-E within a season that made for exciting baseball and amusing national TV ads. They finished first and second, respectively, in slugging and OPS, but it was Bellinger who won the MVP over Yelich, the ’18 MVP. In amazing displays of five-tool prowess, Yelich and Bellinger slashed …