Question: Robert Flores was replaced on SportsCenter after September 2009 with which ESPN anchor?

Context paragraphs:
Robert Flores: Robert Flores (born July 7, 1970) is a sports journalist, who works for MLB Network and NHL Network as a studio host for each.  Flores formerly worked at ESPN.  Joining the network in 2005, Flores was an anchor for ESPNEWS and for ESPN's "SportsCenter" (2007–2016).  Flores provided studio updates during each game of ABC College Football, and Saturday Night Football.  He also served as a substitute studio host for ESPN2's "Friday Night Fights".  Flores hosted the live afternoon edition of "SportsCenter" from noon - 3 p.m. with Chris McKendry until early September 2009, when he was replaced with John Buccigross.  He was also a substitute host for Baseball Tonight.  Flores announced on February 4, 2016 that he would be leaving ESPN after ten years.

Dana Jacobson: Dana Jacobson (born November 5, 1971) is a sports anchorwoman for CBS.  She joined the network in 2013 after ten years at ESPN, where she began as an ESPNEWS anchor in December 2002 and soon became a regular anchor on the 6 p.m. edition of "SportsCenter".  In March 2005, she was named co-host of "Cold Pizza", and transitioned with the show as it became "ESPN First Take".  Jacobson provided sideline reporting for ESPN's coverage of NBA Sunday night games.  On Monday, December 26, 2011, Jacobson announced that Friday, December 30, 2011, would be her final day on "First Take."  She returned to anchoring SportsCenter shortly thereafter.  On March 27, 2012, USA Today announced that Jacobson would leave ESPN when her contract expires at the end of April.  Monday, April 30, 2012 was her final day at ESPN when she anchored the 6-8 p.m. ET SportsCenter show.  Jacobson joined CBS Sports and the cast of CBS Sports Radio's morning show.  "TBD in the AM" in January 2013, co-hosting along with Tiki Barber and Brandon Tierney.  On December 5, 2014, Dana tweeted out that she would be leaving "TBD in the AM" to work on CBS Sports Network.

Mike Greenberg: Michael Darrow Greenberg (born August 6, 1967) is a television anchor, television show host, radio show host for ESPN and ABC, and novelist.  At ESPN, he hosts the weekday evening, most often Monday, "SportsCenter" and ESPN Radio's "Mike & Mike" show with Mike Golic.  At sister network ABC, he was the host of "Duel", which aired from 2007 to 2008.  As of 2017, he co-hosts the 6 PM Eastern Monday SportsCenter editions during the National Football League season with Golic.  He also co-hosts Battle of the Network Stars with Joe Tessitore.

Jon Anik: Jon Anik (born July 3, 1978) is an American mixed martial arts commentator who currently works for the Ultimate Fighting Championship (UFC).  He is also a former ESPN anchor and host of ESPN.com's MMA Live.

Jason Dasey: Jason Dasey (born 11 April 1962) is an Australian-born journalist, broadcaster and digital media executive who works as coordinating producer, senior editor and anchor for ESPN at The Walt Disney Company in Singapore.  He is best known for being the first Australian sports host on CNN International and BBC World News and the original anchor of ESPN's SportsCenter Asia and SportsCenter India (English edition).  Based in Asia since 2001, Jason is a Singapore Permanent Resident.

Sage Steele: Sage Marie Steele (born November 28, 1972) is an American television anchor who is the lead host of SportsCenter On The Road.  She formerly hosted the Saturday and Sunday editions of "NBA Countdown" on ABC for four seasons, ending in 2017.  For five years prior to the NBA assignment, Steele was a full-time host of "SportsCenter", ESPN's flagship show, and had previously contributed to "ESPN First Take", "Mike & Mike in the Morning", and "SportsNation".  Steele hosted "SportsCenter"' s daytime coverage of the NBA Finals in 2012 and 2013.

Sportscenter AM: SportsCenter AM is a radio show on ESPN Radio hosted by "ESPN Radio SportsCenter" anchor Jay Reynolds.  The show has been replaced by "First and Last".  "SportsCenter AM" features scores from all the major sporting events including the NFL, NBA, NHL, and MLB.  The show usually plays audio highlights for last minute shots, game winning homers, and other exciting events from the previous day's sporting events.  All the major games are discussed at least twice during the show in a score fashion outside of the "SportsCenter" breaks, and exciting matches are usually mentioned at least three times.

John Buccigross: John Buccigross ( ) is an American sportscaster.  He has been an anchor for ESPN since 1996.

Mike Gleason: Mike Gleason is an ESPN anchor, who appears primarily on ESPNU and ESPN Classic.

Dream Job (season 2): The second season of Dream Job, the ESPN American reality television show that searches for new on-air talent for the network, began on Tuesday, September 14, 2004.  Like the show's first season, this edition was also looking for a new anchor for "SportsCenter".  A talent search for the show had begun in late June, 2004.  ESPN anchor Stuart Scott returned to host the new season.

Supporting paragraphs: Robert Flores John Buccigross
Answer: John Buccigross