Weems (1-0) recorded a blown save and a win Tuesday against the Giants, giving up two runs (one earned) on three hits in an inning of relief. He struck out one.
Weems (illness) struck out a batter and worked around a walk while allowing no runs over two-thirds of an inning of relief en route to notching his first hold of the season in Wednesday's 5-3 win over the Pirates.
Weems wasn't available to pitch Monday due to illness, Mark Zuckerman of MASNSports.com reports.
Weems has posted a 10:3 K:BB without allowing a home run over 9.2 Grapefruit League innings this spring.
Weems (5-0) was credited with the win Friday, giving up one run on two hits and two walks over one inning of relief in the Nationals' 10-6 victory over Atlanta. He struck out one.
Weems struck out four batters in 1.1 scoreless innings during Monday's loss to the Reds.
Weems (1-0) walked two and struck out three over two scoreless, no-hit innings of relief Tuesday to pick up the win in an extra-innings victory over the Mariners.
Washington recalled Weems from Triple-A Rochester on Tuesday.
The Nationals returned Weems to Triple-A Rochester following Saturday's doubleheader with the Pirates.
Weems will serve as the 27th man for the Nationals in Saturday's doubleheader against the Pirates, Jesse Dougherty of The Washington Post reports.