Complex sentence: Michigan Tech athletic director Suzanne Sanregret began searching for Russell's replacement immediately after his resignation, saying university president Glenn Mroz gave her the authority and many alumni gave her the resources to "go after the best coach".
Split into simpler sentences: Michigan Tech athletic director Suzanne Sanregret began searching for Russell's replacement immediately after his resignation. She said university president Glenn Mroz gave her the authority and many alumni gave her the resources to "go after the best coach".