The Leghorns, who won four straight games after a first-round loss, fell apart in a 10-0 loss to Brooklawn (N.J.) in the American Legion World Series Championship on Tuesday in Shelby, N.C.
The loss followed an 8-2 victory over Waipahu, Hawaii, earlier in the day.
For Brooklawn, which won its third World Series championship, Tuesday's win was payback for a 14-4 drubbing it experienced at the hands of Petaluma the previous day – Brooklawn's only loss in the double-elimination tournament.
The game was mercy-ruled after Brooklawn scored four runs in the bottom of the seventh.
The Leghorns had to play twice after losing their opener, 8-5 to Gonzalez (La.).
Ryan Haug, Robert Busse, Ryan Walsh and Blake Patrick had the Leghorns' only hits.
Brandon Hagerla, who allowed three runs in four innings, took the loss for Petaluma.
In the Waipahu game, Jimmy Flatt was credited with the win after allowing two runs (both unearned) on seven hits and three walks in seven innings.
Anthony Bender had three hits to lead the Leghorns and Chase Stafford, Haug, and Chris Parnow each added two hits.
Stafford scored three runs.
Busse had a two-run double in the bottom of the first inning that set the tone for the win.
Haug's two-run single in the seventh highlighted a three-run inning that broke open a 5-2 game.
and Dom Deville combined on two innings of scoreless relief.