What It Means:

Nelson's start will come nearly 21 months since his last pitch in the majors as he completes his recovery from major shoulder surgery. The 29-year-old right-hander posted a 3.75 ERA with 29 strikeouts and 12 walks over 24 innings on his rehab assignment for Triple-A San Antonio.

Nelson recorded a 3.49 ERA and 1.25 WHIP with 199 K and 48 BB over 175 1/3 innings in 2017 before injuring his shoulder.