Last weekend in Knoxville , Dylan Volantis delivered something Texas fans had rarely seen before. The sophomore left-hander turned in one of his shakiest outings of the season, allowing three runs in five innings while recording a season-low two strikeouts — a rare “human” performance from a pitcher who has spent most of the spring looking nearly untouchable. Thursday night against Missouri , Volantis looked like his good old Friday night self again. Behind another dominant outing from the Longhorns’ ace, No. 6 Texas opened its final SEC series of the regular season with a 6-3 win over Missouri at UFCU Disch-Falk Field. Volantis struck out 11 batters across seven innings, allowing just two hits and one earned run while helping Texas improve to 38-12 overall and 17-10 in SEC play. The outing lowered Volantis’ ERA from 2.13 to 2.05 — the best mark in the SEC. “Just good to see that response,” head coach Jim Schlossnagle said. “Last week, he didn’t pitch bad.…