Northwest also won the nightcap 6-2 to stop a five-game losing streak and improve its record to 6-5.
Bright, of Batesville, knocked in a pair of runs with an RBI-single in the first inning, then added an RBI-double in the sixth. He picked up another RBI with a sacrifice fly in the third frame to score first baseman Joel Rich of Southaven.
Rich also racked up three RBI in the game with a two-run single in the sixth inning and an RBI-groundout in the first.
The Rangers claimed a 5-2 lead after four frames when outfielder Ronnie Ferrell of Water Valley tripled to score catcher Drew Klepzig of Hernando.
Northwest put the game out of reach by pushing four runs across in the sixth inning.
Ranger freshman pitcher Chase Boykin of Franklin, La., struck out five in the first four innings to get the win and improve his record to 1-1. Boykin allowed four hits and two earned runs.
In the second contest, Northwest used a quartet of pitchers to silence the Southwest Tennessee offense. The Ranger pitching staff collected nine strikeouts and surrendered just three hits.
Northwest freshman starting pitcher Tarus Hervey of Water Valley earned the victory by striking out five in four innings of work and moved his record to 1-0.
The Rangers scored three runs in the second inning on a couple of wild pitches by the Saluqis. Northwest second baseman Seth Milliorn of Olive Branch added an RBI-groundout to score Tyler Benson of Batesville.
Northwest travels to Clinton March 6 to play in the Wes Cliburn Tournament. The Rangers will face Baton Rouge at noon and Kishwaukee at 6 p.m.