Left-hander Montgomery (8-5) tied his season high with nine strikeouts and improved to 5-0 all-time in NCAA games the past three seasons.
The Gamecocks (43-16) face Maryland (37-21) in a winner’s bracket game today. The Terps beat Old Dominion 4-3 earlier on Friday.
The Camels (40-20) will try and stay alive in their first NCAA regional since 1990 when they take on Old Dominion (36-25) in an elimination game.
Shortstop Marcus Mooney and first baseman Kyle Martin had two RBI each to power South Carolina, which has not lost at home in the NCAAs since 2002.
Campbell had two on in the ninth and twice brought the tying run to the plate. But Gamecocks closer Joel Seddon struck out Elijah Trail and Aaron Vogt to end the game.
MARYLAND 4, OLD DOMINION 3
In Columbia, Old Dominion closer Brad Gero hit batters with the bases loaded in the ninth to bring home the tying and winning runs in Maryland’s victory.
The Terps (37-21) trailed 3-1 entering the final inning when Charlie White’s RBI single started the three-run rally. Gero then loaded the bases with a walk to LaMonte Wade and hit Brandon Lowe with a pitch to make it 3-all. With the very next pitch, Gero plunked Maryland third baseman Jose Cuas and touched off a celebration as the Terps won in their first NCAA Tournament appearance since 1971.
OREGON 18, CLEMSON 1
In Nashville, Tenn., Shaun Chase homered, doubled and drove in four runs to lead No. 2 seed Oregon to a thumping of No. 3 seed Clemson in the Nashville Regional.
The Ducks (43-18) had a season-high 20 hits.
Chase hit his 13th homer – a three-run blast – in the fourth inning. Tyler Baumgartner followed with a solo shot.
Oregon scored three in the second inning to pull ahead for good after allowing Clemson’s lone run in the first.
Oregon’s Tommy Thorpe (11-4) scattered five hits and four walks in seven innings.
Clemson’s Matthew Crownover (8-6) struck out seven but allowed eight earned runs in 3⅔ innings. Crownover hadn’t given up more than four earned runs in any of his previous 29 career starts.
Oregon plays today against the winner of Friday’s game between No. 1 seed Vanderbilt and No. 4 seed Xavier. Clemson (36-24) faces the loser.
KENNESAW STATE 1, ALABAMA 0
In Tallahassee, Fla., Travis Bergen gave up just five hits in a career-high 8⅔ innings as Kennesaw State defeated Alabama.
Kal Simmons’ sacrifice fly in the fifth inning scored Brennan Morgan as the Owls (38-21) advance to play Georgia Southern today.
Bergen (8-4) had three strikeouts and scattered five hits before being pulled after allowing a two-out double to Austen Smith in the bottom of the ninth. Justin McCalvin earned his 15th save of the season when he got Kyle Overstreet to fly out.
Smith had two doubles and Chance Vincent went 2 for 3 for Alabama (34-23), which will play Florida State in an elimination game today.
Alabama’s Spencer Turnbull (5-7) walked four and allowed just three hits in 6⅓ innings.
KANSAS 10, KENTUCKY 6
In Louisville, Ky., Tucker Tharp’s RBI double in the seventh inning drove in the go-ahead run for Kansas, and the Jayhawks defeated Kentucky in the Louisville Regional.
The game featured 3 hours and 21 minutes of rain delays, including a 1:58 stoppage in the middle of the fifth inning with the score tied at six.
The Jayhawks (35-24), who squandered two three-run leads early, went up for good in the top of the seventh against Kentucky right-hander Chandler Shepherd. Joven Afenir led off the inning with a single, and he scored from first when Tharp doubled to the wall in right. Tharp later scored from third on a double play.
Washout: Due to inclement weather and field conditions in Oxford, Miss., Georgia Tech’s scheduled game with Washington on Friday in the first round of the Oxford Regional was postponed. The teams will play at 2 p.m. today.