Mike Singletary Returns to the Late Show 652 John Siegel 08/26/10 04:14PM Filed to: The Late Show The Late Show David Letterman Mike Singletary TV Video Rex Ryan may have captured America's hearts but David Letterman reminds us that the occasional pants remover Mike Singletary will lead the 49ers to an NFC West best 7-9 record.[There was a video here]