IRVING, Texas Iowa State sophomore Erin Karonis, was named Big 12 Tennis Player of the Week, the league office announced Monday. The Ivyland, Pa., native picked up two victories at the No. 1 singles slot in Big 12 Conference play last weekend. On Friday she earned a victory over Colorado's Melisa Esposito, 7-5, 6-2, and on Sunday she recorded a 6-0, 6-3 win over Missouri's Jessica Giuggioli.

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