Media Circus: Pedro Martinez joins TBS; Tim McCarver's replacement

10g. As the studio host of TBS's postseason coverage, Olbermann will leave his ESPN2 show on Sept. 30 and return on Oct. 21. But the show goes on as Larry

Turner Sports hired Pedro Martinez as a studio analyst for its TBS postseason MLB studio show :: Elise Amendola/AP

After NBC Sports Network canceled Michelle Beadle's 'The Crossover,' will she be heading back to her old home of ESPN? / NBCU Photo Bank via Getty Images

10g. As the studio host of TBS's postseason coverage, Olbermann will leave his ESPN2 show on Sept. 30 and return on Oct. 21. But the show goes on as Larry King guest hosts for Olbermann from Oct 1-3 followed by Jeremy Schaap (Oct. 8-10) and Cowherd (Oct. 15-17).