Lost Border Collie/Aussie Mix Near Dolese Park

The sitter lives on N state street. She said he ran out front and down the road. He was last seen by neighbors near NW 50th and Meridian and was reported wet. He may have gone to Dolese Park? Border collie/Aussie mix Approx 50 lbs No collar on when missing Fluffy fur, full length tale, neutered Microchipped