The Sooners offered Eli Merck as a preferred walk-on in late December, and on Wednesday, the record-setting wideout from South Carolina committed. Oklahoma received a verbal commitment Wednesday from a record-setting wide receiver. Eli Merck, a senior at Daniel High School in Central, SC, pledged to play for the Sooners in 2023. Merck announced his commitment on Twitter. The 6-foot-2, 180-pound Merck holds an offer from Appalachian State and will be a preferred walk-on at OU. He received his offer from OU in late December. Merck set a school record at Daniel with 3,233 yards receiving on 171 catches and…