Alanna Rizzo is returning to MLB Network, where she will be a regular contributor on Christopher Russo's “High Heat” show.Rizzo spent two seasons with MLB Network before going to SportsNet LA, where she spent seven seasons as a reporter and host for the network's coverage of the Los Angeles Dodgers. She announced earlier this year that she was leaving to be closer to family on the East Coast.“I didn't want to be done and retire.