The reality is that we probably saw this coming. Raisel Iglesias had a remarkably lucky season in 2018. He had set career bests in ERA and saves, but the underlying numbers had some red flags: Iglesias’s number of surrendered home runs more than doubled from 2017 to 2018, while his strikeout rate dropped by about 10%. The luck came mainly through sequencing, specifically that 10 of his 12 allowed homers in 2018 were solo shots.
In 2019, the piper came home to roost. Iglesias’s strikeout rate popped back up, but he was still very much dinger-prone, allowing 1.