NORMAN, Okla. (Interstat) — Deiten Lachance homered and drove in four runs as Oklahoma routed Kansas 13-2 on Sunday.

The Sooners scored seven runs in the second inning, capitalizing on a sacrifice bunt error and a walk. Lachance singled in two runs, and Brock’s hit-by-pitch made it 7-2. Tockey homered in the third, Lachance added a two-run blast in the sixth and Harris followed with a two-run homer. Gambill homered in the eighth.

Xander Mercurius earned the win, allowing one earned run on three hits with six strikeouts in four innings. Nate Smithburg struck out two over 3 2/3 innings.

Kansas, which won the series opener 8-1 Saturday, mustered only four hits. Tyson LeBlanc homered in the eighth, his 25th of the season. Boede Rahe took the loss, yielding three earned runs in three innings.

The Jayhawks dropped to 45-18, while the Sooners improved to 38-22.