Stansbury split its first two games in the state tournament Saturday in Spanish Fork.
Gage Manzione struck out nine, and gave up four hits in the opener to beat Uintah 4-1.
Stansbury dropped to 1-1 in the tournament with a 5-2 loss to Pine View in the second game.
The Stallions trailed 5-0 headed to the bottom of the seventh when they came up with two runs, but also stranded two on base.
Tooele dropped out of the tournament with an 11-1 loss to Juan Diego in Draper, and a 4-3 loss to Juab in an elimination game. The Buffaloes led 3-2 after six innings, but the Wasps scored twice in the seventh to pick up the victory.
The Stallions will continue in the tournament Thursday with a game against Canyon View at 1:30 at the Russell Swenson Baseball Complex, 171 W. 300 South in Spanish Fork on Field 8.
Canyon View lost 2-0 to Carbon in Grantsville on Saturday, and then defeated Morgan 3-0 to advance in the one-loss bracket.
Stansbury scored two runs in the third against Uintah with a walk, error, walk and an RBI single by Alex Mackay.
The Stallions added one in the fourth on a single by Napier, walk to Jacob Peterson, and an RBI single by CJ Johnson.
The fourth run came home in the sixth with a walk to Jace Myers followed by an RBI triple by Napier.
Trent Griffin started on the mound for the Stallions in the second game against Pine View, who had won six of its last seven games. Pine View defeated Payson 11-1 in its first game on Saturday in Payson.
Griffin had three strikeouts in the first three innings, but an error and two wild pitches gave the Panthers a run in the third. Pine View scored a second run in the fourth on a pair of walks and a throwing error by the Stallions.
Rhett Brockmeier came on in the fifth in relief of Griffin, and Jacob Colovich relieved Brockmeier with two outs in the sixth.
Pine View jumped out to a 5-0 lead with three runs in the fifth inning. The Panthers led off the inning with a double, and runners ended up crossing the plate with a walk, a balk and an error by the Stallions.
Stansbury rallied in the bottom of the seventh with a pair of runs, but left two more runners on base. Alex Mackay and Manzione reached on an error and a walk, and Alex Mackay eventually scored on a wild pitch. Manzione came home on a single to right by Jacob Petersen.
Pine View got the final out when it threw out a Stallion trying to score after an infield error.