With Oklahoma on the verge of am upset in the WCWS, Ella Parker launched a three-run home run to stave off defeat vs. Tennessee. See it here:

It's the Oklahoma Sooners vs. the Tennessee Volunteers in the Women's College World Series. Follow for live scores, updates from the game.

Oklahoma will always dwarf the fanbase of its college softball opponent at the Women's College World Series. Just ask Tennessee. The Volunteers, through

Tennessee softball lost to No. 2 seed Oklahoma on a walk-off home run to open Women's College World Series. The Lady Vols will face Florida next.

OKLAHOMA CITY — Ella Parker hit a three-run, walk-off homer to lift Oklahoma a 4-3 win over Tennessee on Thursday in the Women’s College World Series opener for both teams. Parker’s second homer of the game off Tennessee’s Karlyn Pickens came with two outs and strengthened the Sooners’ chances of winning a fifth straight national title.

Sooners ace Sam Landry had a feeling she couldn’t quite put her finger on heading into No. 2 Oklahoma’s first game Thursday against No. 7 Tennessee in the Women’s College World Series. “Something’s gonna happen,” she remembered thinking.

Tennessee softball took a "gut-punch" from Oklahoma in walkoff loss in WCWS, but UT is no stranger to playing with its back against the wall.

OKLAHOMA CITY — There will be no secrets as Oklahoma opens up the Women’s College World Series on Thursday. The 2-seeded Sooners will take on the 7-seeded Tennessee Volunteers in a rematch of a regular season series between the pair of SEC powers.

OKLAHOMA CITY – Shortstop Laura Mealer singled through the left side to drive in the winning run in the bottom of the ninth inning, and Tennessee eliminated UCLA 5-4 from the NCAA softball tournament on Sunday at Devon Park.