This season, Tomlin has been primarily effective in a long-relief position for Atlanta, earning a 3.94 ERA, 0.99 WHIP, and 31:4 K:BB over 45.2 innings with a save and four holds in 28 appearances. Tomlin pitched a scoreless 12th inning against the Marlins on Sunday, allowing one hit and striking out two. In 2019, Tomlin shown that he still had something left in the tank. Despite having a 6.14 ERA in 70.1 innings for Cleveland in 2018, he was able to earn an Opening Day bullpen position in Atlanta and give them with 79.1 innings of quality relief work, finishing with a 3.74 ERA, his best record since 2015. Tomlin recorded more than three outs in seven of his 12 outings in 2020, despite sometimes pitching back-to-back games or with short rest. As a result, Tomlin was re-signed by Atlanta on a one-year contract early in the offseason.