By Andrew Gould The Alabama coaching tree continues to expand throughout the SEC. Billy Napier will begin his first season as Florida’s head coach. From 2013 to 2016, he served as a wide receivers coach on Nick Saban’s staff, which included Lane Kiffin as offensive coordinator for those final three years. Per Matt Baker of the Tampa Bay Times (h/t Brad Crawford of 247Sports), Kiffin is confident his former Alabama co-worker will do “really well” in his new position. “Really smart,” Kiffin said of Napier during the SEC spring meetings. “Organized. Super detailed, and a great recruiter, too.” Na…