Bergeron batted .214 with no home runs and one RBI in 11 games for Montreal before being placed on the 15-day disabled list April 22 with a right rib strain. He was activated May 24 and optioned to Triple-A Edmonton.
Bergeron and Endy Chavez were in contention to be Montreal's everyday center fielder early in the season, but Chavez got off to a good start and Bergeron's injury followed.
Bergeron has a .250 on-base percentage and 16 strikeouts in 42 at-bats. He is a .225 career hitter with eight home runs and 57 RBI in 319 career games, all with Montreal.
Belcher, who broke in as a catcher, hit .289 with three home runs and 17 RBI in 47 games
with Double-A Huntsville. He was Milwaukee's 30th-rated prospect.
Childers, a right-hander, is 1-0 with a 1.26 ERA and a league-high 15 saves with Triple-A Indianapolis.
Information from The Associated Press was used in this report.