Susana topped out at 103 mph with his fastball during Saturday's Grapefruit League game against the Astros, Mark Zuckerman of MASN Sports reports, but the right-hander threw only 20 of 34 pitches for strikes as he gave up a hit and two walks over a scoreless sixth inning. He struck out two.

Susana hit 100 mph with his fastball in his first bullpen session of the spring and looked dominant during a live batting practice session Wednesday as he worked in his slider, Mark Zuckerman of MASN Sports reports.

Susana logged a 2.40 ERA, 1.13 WHIP and 27 strikeouts in 15 innings over his final three starts for High-A Wilmington.

Susana struck out two in a perfect eighth inning during Tuesday's exhibition game between the Nationals and the organization's top prospects.

Susana has a 3.81 ERA, 1.35 WHIP and a 52:30 K:BB in 49.2 innings through 13 starts for Single-A Fredericksburg.