The Brewers announced on Monday that second baseman Keston Hiura has been optioned to Triple-A San Antonio to make room for infielder Travis Shaw, who is returning from the injured list.

Hiura, 22, impressed since making his major league debut on May 14, batting .281/.333/.531 with five home runs and nine RBI in 69 plate appearances. MLB Pipeline rates Hiura as the Brewers’ No. 1 prospect and No. 15 across baseball.