Sunday's Results
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National Football League
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Joe  Flacco unequivocally proved he belongs with the NFL's elite quarterbacks, while  John  Harbaugh showed that  big brother indeed  knows best. And for Ray Lewis,  it was  the ultimate ending to an absoutely illustrious career. Flacco
delivered  a  lights-out performance --  both literally and figuratively -- at the  Mercedes-Benz  Superdome, and  the Baltimore Ravens  warded off a furious comeback  attempt by the San Francisco 49ers to hold on for a 34-31 victory in a  thrill-packed Super  Bowl XLVII  that  every bit  lived up  to its  advance billing.  Flacco threw  three touchdown  passes to  stake his  team to  a 21-6 halftime  lead  it very nearly  gave away, and finished  with 287 yards and no turnovers  on  a crisp  22-of-33 passing  to earn  Most Valuable Player honors and  lead the Ravens to their second Lombardi Trophy in franchise history. The game  featured  the first brother  vs. brother  coaching matchup in Super Bowl history,  with  Harbaugh besting  younger sibling and  49ers sideline boss Jim Harbaugh,  the  final game  of  Lewis'  stellar  17-year  pro career,  and  an unexpected 34-minute delay early in the third quarter caused by a power outage in the Superdome.

Top-25 College Basketball
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Russ  Smith  scored a game-high  18 points and  pulled down five rebounds, and Peyton  Siva donated  14 points  and seven  assists as  12th-ranked Louisville overcame  a slow  start to take down No. 25 Marquette, 70-51. Wayne Blackshear and  Gorgui Dieng scored nine and eight points, respectively, while Dieng also grabbed  eight boards for the Cardinals (18-4, 6-3 Big East), who have won two straight  following a  three-game  losing streak.  Vander Blue  registered  17 points  and five rebounds, and  Trent Lockett  donated  16 points  on  4-of-6 shooting from  the field for the Golden Eagles (15-5, 6-2),  who fell for just the second time in the team's last 10 contests.

Elsewhere in the Top-25:
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(23) Minnesota 62, Iowa 59

National Basketball Association
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Paul  Pierce finished  with 22 points, including the game-sealing 3-pointer in the  closing seconds, as the Boston Celtics held off the Los Angeles Clippers, 106-104,  at TD Garden. Jeff Green and Leandro Barbosa added 14 points apiece, Jason  Terry netted 13 with six assists and Kevin Garnett posted 12 points and five rebounds for Boston, which won its fourth straight game. Eric Bledsoe had 23  points and  10 assists, while Blake  Griffin had 20 points and 11 rebounds for  the Clippers,  who have dropped two in  a row and six of their last eight overall.  Jamal Crawford poured in 23 points and Caron Butler finished with 18 in defeat.

Elsewhere in the NBA:
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Los Angeles Lakers 98, Detroit Pistons 97
Miami Heat 100, Toronto Raptors 85

National Hockey League
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Chris  Kunitz  recorded the  third hat  trick of his  career as the Pittsburgh Penguins took a 6-3 victory over the Washington Capitals on Sunday. Matt Cooke and  Kris Letang each had a goal and an assist while Sidney Crosby added three assists for the Penguins, who have scored 14 goals in winning their last three games.  Tomas Vokoun made  21 saves in the win. Mike Ribeiro had a goal and an assist  for the  Capitals, who were coming  off a 3-2 win over Philadelphia on Friday  night.  Mike Green and  John Carlson  also scored, while Braden Holtby gave up all six goals on 26 shots.

Elsewhere in the NHL:
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Montreal Canadiens 2, Ottawa Senators 1
Florida Panthers 4, Buffalo Sabres 3
New Jersey Devils 3, New York Islanders 0

=== As of 9:45 a.m. (et) ===

=== NFL ===

Joe  Flacco unequivocally proved he belongs with the NFL's elite quarterbacks, while  John  Harbaugh showed that  big brother indeed  knows best. And for Ray Lewis,  it was  the ultimate ending to an absoutely illustrious career. Flacco delivered  a  lights-out performance --  both literally and figuratively -- at the  Mercedes-Benz  Superdome, and  the Baltimore Ravens  warded off a furious comeback  attempt by the San Francisco 49ers to hold on for a 34-31 victory in a  thrill-packed Super  Bowl XLVII  that  every bit  lived up  to its  advance billing.  Flacco threw  three touchdown  passes to  stake his  team to  a 21-6 halftime  lead  it very nearly  gave away, and finished  with 287 yards and no turnovers  on  a crisp  22-of-33 passing  to earn  Most Valuable Player honors and  lead the Ravens to their second Lombardi Trophy in franchise history. The game  featured  the first brother  vs. brother  coaching matchup in Super Bowl history,  with  Harbaugh besting  younger sibling and  49ers sideline boss Jim Harbaugh,  the  final game  of  Lewis'  stellar  17-year  pro career,  and  an unexpected 34-minute delay early in the third quarter caused by a power outage in the Superdome.

=== GOLF ===

Phil  Mickelson fired  a 4-under 67 on Sunday to complete a dominant, wire-to- wire  victory  at the Phoenix Open  in Arizona.  Mickelson, who also  won this event in 1996 and 2005,  came within a horse-shoed putt of shooting 59  in the first  round and never  relented. The left-hander  carded a 65 on Friday, then matched  the tournament's  54-hole  scoring  mark with  a 64  on Saturday  and tallied  five birdies during the final round to finish at 28-under 256,  which tied  for the second-lowest score in a 72-hole PGA Tour event. It was the 41st career  PGA  Tour win for  Mickelson and his  first since capturing the Pebble Beach National Pro-Am title last February.

=== TENNIS ===

The  opening round  of the  2013 Davis Cup  concluded Sunday,  with the United States advancing to the quarterfinals after a hard-fought 3-2 win over Brazil. Sam  Querrey put  the Americans on top  by defeating Thiago Alves in the fifth and  deciding rubber,  dropping the  first  set against  the Brazilian  before roaring back  for the 4-6, 6-3, 6-4, 7-6 (7-3) win.  The Americans will host a quarterfinal in April against Serbia, which advanced by beating Belgium.

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Argentina  and  France both swept  their respective  matchups and will meet in April,   while  the   defending  Cup  champion  Czech  Republic  finished  off Switzerland  on Sunday  and will face Kazakhstan, which advanced past Austria. Canada knocked off top-seeded Spain and will host Italy, which topped Croatia.