Anderson spent the bulk of the 2017 season at the Double-A level, showing very little promise as he posted a 36:29 K:BB and a 5.06 ERA for Mobile. By May 14 of 2018, however, he'd picked up his first big-league save, and he'd go on to record three more for the Angels to go along with a 4.07 ERA in 55.1 innings. He throws hard but wasn't exactly dominant. To become a trustworthy high-leverage reliever, Anderson will have to make a considerable dent in his walk rate, which sat at an untenable 16.6% in his rookie campaign, second-worst among all pitchers who threw at least 50 innings. Control problems are unsurprising for a pitcher who throws his slider 55 percent of the time. Anderson's 27.8% strikeout rate is more good than great and isn't enough for him to overcome such a significant deficiency.