Washington Nationals first baseman Nathaniel Lowe had one of the best games of his seven-year career Wednesday against the Kansas City Royals. Lowe hit his first-career grand slam and reached base two other times in a tight 8-7 win.

The Nationals designated struggling first baseman Nathaniel Lowe for assignment and activated Dylan Crews. Read more at MLB Trade Rumors.

Nathaniel Lowe hit a grand slam on Wednesday. On Thursday, the Nats had designated Lowe for assignment. That removes the big first baseman from the 40-man roster and places him on waivers. If a team doesn't claim Lowe off waivers, he can be assigned to Triple-A Rochester.

Lowe went 1-for-3 with two walks and a grand slam in Wednesday's 8-7 win over the Royals.

A day after hitting his first career grand slam, first baseman Nathaniel Lowe was designated for assignment by the Nationals to make room for the return of outfielder Dylan Crews, who was reinstated from the 60-day injured list on Thursday.