Clemson quarterback Deshaun Watson celebrates after throwing a touchdown pass to win the championship game of the College Football Playoff on Tuesday, January 10. Clemson defeated Alabama 35-31 for its first national title since 1981. The Tigers also avenged their loss to Alabama in last year's title game. Streeter Lecka/Getty Images

Great Britain's Heather Watson serves during a Hopman Cup match in Perth, Australia, on Friday, January 6. Paul Kane/Getty Images

Green Bay wide receiver Randall Cobb catches a "Hail Mary" pass for a touchdown during an NFL playoff game against the New York Giants on Sunday, January 8. The play came at the end of the first half and gave the Packers a 14-6 lead. Cobb had three touchdowns in the game as Green Bay won 38-13. Stacy Revere/Getty Images

Stetson Lawrence falls off a bull during a Professional Bull Riders event in New York on Friday, January 6. TIMOTHY A. CLARY/AFP/Getty Images

Ice swimming world champion Julia Wittig races in a lake in Burghausen, Germany, on Friday, January 6. Johannes Simon/Bongarts/Getty Images

Seattle wide receiver Paul Richardson makes a spectacular one-handed touchdown catch during an NFL playoff game against Detroit on Saturday, January 7. Seattle won 26-6. Tom Hauck/HAUCT/AP

Norwegian skier Leif Kristian Haugen loses his balance during a World Cup event in Adelboden, Switzerland, on Saturday, January 7. FABRICE COFFRINI/AFP/Getty Images

Villanova's Josh Hart dunks the ball during a college basketball game against Marquette on Saturday, January 7. Hart scored 19 points as the top-ranked Wildcats won 93-81. Matt Slocum/AP

Canada's Anthony Cirelli celebrates a goal during the semifinals of the World Junior Championship on Wednesday, January 4. The Canadians defeated Sweden 5-2. Paul Chiasson/The Canadian Press/AP

Houston quarterback Brock Osweiler throws from his own end zone during an NFL playoff game against Oakland on Saturday, January 7. The Texans won 27-14. It was their first playoff win since 2012. Icon Sportswire/Getty Images

Robert Marchand, 105, reacts after setting a track cycling record for his age group on Wednesday, January 4. Marchand rode 22.547 kilometers (14.010 miles) in an hour. PHILIPPE LOPEZ/AFP/Getty Images

Philadelphia's Gerald Henderson, left, falls over Boston's Marcus Smart while trying to block a shot on Friday, January 6. Elise Amendola/AP

Novak Djokovic holds up his trophy after winning the Qatar Open final on Saturday, January 7. Behind him were human statues of past Qatar Open champions, including Djokovic himself (raising the trophy). Djokovic defeated Andy Murray in the final, ending Murray's 28-match unbeaten run. KARIM JAAFAR/AFP/Getty Images

German ski jumper Markus Eisenbichler soars over Innsbruck, Austria, during the Four Hills Tournament on Tuesday, January 3. Matthias Schrader/AP

Tra Holder is mobbed by his Arizona State teammates after sinking two free throws to beat Colorado 78-77 on Thursday, January 5. Joe Camporeale/USA TODAY Sports

Robotic jockeys control camels during the Liwa Sports Festival in Abu Dhabi, United Arab Emirates, on Tuesday, January 3. Francois Nel/Getty Images

American hockey players rush to goalie Tyler Parsons after winning the World Junior Championship on Thursday, January 5. The United States defeated Canada in a shootout. Minas Panagiotakis/Getty Images

Pittsburgh wide receiver Antonio Brown scores the opening touchdown in the Steelers' playoff win over Miami on Sunday, January 8. Brown had two touchdowns and 124 receiving yards in the 30-12 victory. Gregory Shamus/Getty Images

Phoenix guard Devin Booker is fouled by Miami's Wayne Ellington during an NBA game in Phoenix on Tuesday, January 3. Jennifer Stewart/USA TODAY Sports

Cricket fans dressed as commentator Richie Benaud cheer on Australia during a Test match against Pakistan on Wednesday, January 4. WILLIAM WEST/AFP/Getty Images

Carlo Vellutino rides a motorcycle during the fourth stage of the Dakar Rally on Thursday, January 5. The stage started in Argentina and ended in Bolivia. FRANCK FIFE/AFP/Getty Images

Ryan Moore hits a shot during the third round of the Tournament of Champions on Saturday, January 7. The tournament in Kapalua, Hawaii, is only open to those who won a PGA Tour event last year. Matt York/AP

Paris Saint-Germain captain Thiago Silva heads the ball during a French Cup match against Bastia on Saturday, January 7. PSG rolled to a 7-0 victory. ALAIN JOCARD/AFP/Getty Images

Ruby Miller, left, competes in the British Cyclo-Cross Championships on Sunday, January 8. OLI SCARFF/AFP/Getty Images

Columbus forward Nick Foligno is upended during an NHL game against the New York Rangers on Saturday, January 7. Columbus won 16 straight games this season -- one short of the NHL record. Jason Mowry/AP

Georgia Tech's Tadric Jackson has the ball knocked away by Louisville' Ray Spalding, top left, during a game in Atlanta on Saturday, January 7. David Goldman/AP

Polish ski jumper Kamil Stoch lies in the snow after crashing Wednesday, January 4, in Innsbruck, Austria. Stoch went on to win the Four Hills Tournament. MICHAL CIZEK/AFP/Getty Images

James Madison head coach Mike Houston is doused after the Dukes won the FCS championship game on Saturday, January 7. James Madison defeated Youngstown State 28-14 in Frisco, Texas. Tony Gutierrez/AP

Roberta Vinci hits a forehand Wednesday, January 4, during a second-round match at the Brisbane International in Australia. SAEED KHAN/AFP/Getty Images

Italian luger Emanuel Rieder competes in a World Cup event in Schonau am Konigssee, Germany, on Friday, January 6. ANDREAS SCHAAD/EPA

A bull rider enters the arena before the start of a Professional Bull Riders event in New York on Friday, January 6. TIMOTHY A. CLARY/AFP/Getty Images