Arizona Diamondbacks starting pitcher Luke Weaver was one of the biggest fallers in the rankings from the start of 2018 to 2019. He went into 2018 as one of the best young pitchers, but his performance has dropped him outside of the top-75 starters. This offseason he was traded to Arizona after a year that saw him ultimately moved to the bullpen due to a lack of production. He finished the year with a 4.85 ERA, 1.50 WHIP, and 121 strikeouts in 136 innings. [...]