Question: In the film Blue Moon, what is the name of the Italian became the new manager?

Context paragraphs:
Blue Moon (The Marcels album): Blue Moon is the debut studio album by the doo-wop group The Marcels.  It was released in 1961 on Colpix Records and included 12 songs.  The album was available in mono, catalogue number CP-416.  "Blue Moon" was produced and arranged by Stu Phillips and was recorded in New York at RCA Studios.  "Blue Moon" features a cover version of the Judy Garland hit "Over The Rainbow".  Four decades after the group's debut album was released, The Marcels were inducted into the Vocal Group Hall of Fame.

Blue Moon Rising (film): Blue Moon Rising is a British sport documentary film released on 17 September 2010.  The film title is a play on words referring to Manchester City's fan anthem, "Blue Moon" and chronicles the fortunes of Manchester City Football Club through the 2009-2010 football season with insight from Manchester City supporters.  Shot and produced by Endemol in conjunction with the club, and features exclusive interviews with staff, players, board members and fans throughout the season.

Blue Moon (ice cream): Blue Moon is an ice cream flavor with bright blue coloring, available in the Upper Midwest of the United States.  The "Chicago Tribune" has described the ice cream as "Smurf-blue, marshmallow-sweet, and tasting remarkably like Froot Loops and Fruity Pebbles".  Blue Moon ice cream is one of the flavors which makes up Superman ice cream in certain states.

December 2009 lunar eclipse: A partial lunar eclipse was visible on New Year's Eve, December 31, 2009.  It was the last and largest of four minor lunar eclipses in 2009.  This lunar eclipse is also notable, because it occurred during a blue moon (a second full moon in December).  The next eclipse on New Year's Eve and blue moon will occur on December 31, 2028.

Blue Origin Blue Moon: The Blue Origin "Blue Moon" is a proposed lunar lander designed by Blue Origin for use for cargo deliveries to the Moon.  "Blue Moon" is an unmanned lunar spacecraft that is projected to provide an Amazon.com-like delivery service to the Moon.  Blue Moon derives from the vertical landing technology used in Blue Origin's New Shepard sub-orbital space tourist rocket.  The lander platform was first revealed in March 2017.

2009–10 Manchester City F.C. season: The 2009–10 season is Manchester City Football Club's eighth consecutive season playing in the Premier League, the top division of English football, and its thirteenth season since the Premier League was first created with Manchester City as one of the its original 22 founding member clubs.  Overall, it is the team's 118th season playing in a division of English football, most of which have been spent in the top flight.  The club started the season under the management of Mark Hughes who was controversially sacked in mid-December after the team notched up seven consecutive draws in the Premier League.  He was replaced by the Italian manager Roberto Mancini.

Blue Moon (1934 song): "Blue Moon" is a classic popular song written by Richard Rodgers and Lorenz Hart in 1934, and has become a standard ballad.  It may be the first instance of the familiar "50s progression" in a popular song.  The song was a hit twice in 1949 with successful recordings in the US by Billy Eckstine and Mel Tormé.  In 1961, "Blue Moon" became an international number one hit for the doo-wop group The Marcels, on the "Billboard 100 chart and in the UK Singles chart.  Over the years, "Blue Moon" has been covered by various artists including versions by Frank Sinatra, Billie Holiday, Elvis Presley, The Mavericks, Dean Martin, The Supremes and Rod Stewart.

Every Blue Moon: Every Blue Moon (or EBM), formerly The Board Administration, is a management company and record label founded in 2009 by Maybach Music Group/Atlantic Records rapper Wale and marketing executive Le’Greg O. Harrison.  In 2014, Wale relaunched the imprint under the new moniker "Every Blue Moon".  Unlike most label imprints, Every Blue Moon also has painters and visual artists signed.

Blue Moon (beer): Blue Moon Belgian White is a Belgian-style witbier brewed by MillerCoors under the name the Blue Moon Brewing Co.  It was launched in 1995, and was originally brewed in Golden, Colorado.

Blue Moon (fanzine): Blue Moon is a now defunct fanzine dedicated to Peterborough United.  It was originally called "Blue Moon is a Man City song for F**k sake", but the name was changed in the 2005/06 season.

Supporting paragraphs: Blue Moon Rising (film) 2009–10 Manchester City F.C. season
Answer: Roberto Mancini