Abbott, a Boston Marathon bombing survivor who lost her lower left leg from the tragedy, throws out the first pitch at Fenway Park before the Red Sox host the Toronto Blue Jays on May 11.
Miami: Michelle Aguirre
Miss Florida USA 2013 displays her fabulous form prior to a game between the Mets and Marlins at Marlins Park on April 29.
Toronto: Alex & Errict Lavery
Jose Bautista (left) and Edwin Encarnacion (right) pose with Alex and Errict who threw out the first pitches at Rogers Centre on April 21.
Cubs: Chris Collins
New Northwestern basketball coach and former Chicago high school and Duke star tosses the first pitch at the Friendly Confines on April 18.
NY Yankees: Brook Lopez
The Brooklyn Nets center is NBA playoff ready at Yankee Stadium on April 18.
Cubs: Jesse Jackson
Jesse Jackson throws out the first pitch before the April 16 game between the Chicago Cubs and the Texas Rangers in honor of Jackie Robinson Day at Wrigley Field.
LA Dodgers: Harrison Ford
The actor, who plays Branch Rickey in '42', hurls the baseball home on Jackie Robinson Day at Dodger Stadium on April 15.
Pride for country
Diamondbacks 'Rally-backs' girl Danielle Wilde stands attended for the anthem before Arizona hosts the Los Angeles Dodgers at Chase Field on April 14.
Seattle: Petty Officer First Class Catherine Kavanaugh
Kavanaugh of the United States Coast Guard throws out a ceremonial first pitch during ceremonies on Salute to Armed Forces Night prior to the Mariners-Rangers game at Safeco Field on April 13.
Washington: Secretary of the Navy Ray Mabus
Mabus throws out a ceremonial first pitch before a baseball game between the Washington Nationals and the Atlanta Braves at Nationals Park on April 12.
Washington: John Wall
The Washington Wizards star makes sure to not embarrass himself this time around, tossing out a much better ceremonial first pitch before the Nats host the White Sox on April 11.
Seattle: Richard Sherman
The Seattle Seahawks star is focused on the catcher's mitt before the Mariners host the Texas Rangers at Safeco Field on April 11.
Cubs: Katie Eberling
The Chicago native and USA Olympic bobsledder delivers the ceremonial first pitch at Wrigley Field on April 11.
San Diego: Greg Vaughn
Retired outfield slugger Greg Vaughn, who played for the Padres for three seasons, including the 1998 NL pennant run, tosses the ceremonial first pitch before Petco Park's home opener on April 9.
Detroit: Denard Robinson
The former University of Michigan quarterback is likely glad the Ohio State defense isn't bearing down on him as he fires home the first pitch before the Tigers host the Toronto Blue Jays on April 9.
Seattle: Jamie Moyer
The former Mariners starting pitcher tosses out the first pitch for the home opener at Safeco Field on April 8.
Atlanta: Travis Tritt
The county singer performs the national anthem at Turner Field in the first of a personal doubleheader on April 8. Later in the evening, Tritt would open the NCAA national championship basketball game between Michigan and Louisville at the Georgia Dome.
Cubs: Ferguson Jenkins and Billy Williams
Hall of Famers Jenkins (left) and Williams throw out ceremonial first pitches before the Wrigley Field opener on April 8.
LA Dodgers: Bellamy Young
The 'Scandal' actress performs the national anthem at Dodger Stadium on April 7.
Baltimore: Carly Rae Jepsen
The ''Call Me Maybe" singer aims for home at Camden Yards on April 7.
Texas: Johnny Manziel
The Texas A&M Aggies quarterback shows off his Heisman winning arm at the Rangers Ballpark in Arlington on April 7.
LA Dodgers: Jenna Ushkowitz
The 'Glee' star belts out the anthem at Chavez Ravine on April 6.
Texas: Robbie Parker
Parker receives a hug from former Texas star Ivan Rodriguez after throwing out the ceremonial first pitch on April 5. Parker, a North Texas native whose 6-year-old daughter, Emilie, was among the victims of the Sandy Hook school shooting in Connecticut, is a lifelong Rangers fan.
Detroit: Willie Horton
Former Tigers star Willie Horton, who was on Detroit's 1968 World Series championship team, throws the ceremonial first pitch before the Comerica Park home opener on April 5.
Detroit: The Four Tops
Members of the American R&B group (right) greet Tigers manager Jim Leyland, center fielder Austin Jackson and right fielder Torii Hunter after singing the anthem before Detroit's opener at Comerica Park on April 5.
Philadelphia: George Brett and Mike Schmidt
Hall of Fame duo: With the Phillies' home opener against the Royals, Kansas City's George Brett (left) joins Philly icon Mike Schmidt for the ceremonial first pitches on April 5.
Philadelphia: Joe Piscopo
Comedian and actor Joe Piscopo also joined in on the ceremonial first pitch before the Phillies' home opener on April 5.
San Francisco: Pablo Sandoval and Marco Scutaro
Giants third baseman and World Series MVP Pablo Sandoval (left) and second baseman and NLCS MVP Marco Scutaro throw the ceremonial first pitches before San Francisco's home opener on April 5.
Baltimore: Rolando Sanz
The Cuban-American tenor performs the national anthem as workers pull an American flag into place before Baltimore's home opener on April 5.
NY Mets: CM Punk
With his manager Paul Heyman in the background, professional wrestler CM Punk prepares to fire the ball home at Citi Field on April 5.
Toronto: Jack Morris
The former Blue Jay ace throws the first pitch at the Rogers Centre on April 5.
LA Dodgers: Trenton Martin
The 6-year-old Martin features a decent follow-through on April 5.
Toronto: Geddy Lee
Rush rocker Geddy Lee throws out the ceremonial first pitch for the Blue Jays' home opener on April 2.
Toronto: Danielle Wade
Wade, who won the "The Wizard of Oz" role of Dorothy in CBC-TV's "Over The Rainbow" competition, sings the anthem before the Blue Jays' home opener on April 2.
Tampa Bay: Don Zimmer
Rays senior advisor Zimmer (right), who begins his 65th season in pro baseball, was honored by the franchise as the team had his son Tom (not pictured), a major league scout, toss out the ceremonial first pitch before Tampa Bay's home opener on April, 2.
White Sox: Bo Jackson
Bo knows first pitches. The former two-sport legend tosses out the first pitch at US Cellular Field on April 1.
LA Dodgers: Sandy Koufax
Hall of Famer and three-time Cy Young winner Sandy Koufax pleases the Dodger Stadium crowd with the ceremonial first pitch on April 1.
LA Dodgers: Aloe Blacc
The American soul singer and rapper rehearses before performing the national anthem at Dodger Stadium on April 1.
Atlanta: Chipper Jones
In his first season of retirement, former Braves star Chipper Jones fires a strike for the ceremonial first pitch prior to Atlanta's opener at Turner Field on April 1.
NY Yankees: Lou Piniella
Lou Piniella throws out the ceremonial first pitch on Opening Day at Yankee Stadium on April 1.
NY Mets: Rusty Staub
At the other New York ballpark, Rusty Staub tosses the first pitch before the Mets' opener on April 1.
NY Mets: Emmy Rossum
'Shameless' actress Emmy Rossum and the Scholar's Academy School Chorus from The Rockaways sings the national anthem at Citi Field on April 1.
NY Yankees: Constantine Maroulis
The actor/singer performs the national anthem at Yankee Stadium on April 1.
Arizona: Brandon Webb
The former Diamondbacks ace is all smiles during his ceremonial first pitch at Chase Field on April 1.
Washington: Army Staff Sgt. Clint Romesha
The Medal of Honor recipient throws out the ceremonial first pitch at the Natinoals' home opener on April 1.
Cincinnati: Joe Torre
The former Yankees skipper and Team USA manager gets the pregame honor at the Great American Ball Park on April 1.
Milwaukee: James Beckum
Beckum, a former Negro Leaguer and well-known ballplayer in Milwaukee County’s adult leagues, fires one home on April 1.
Houston: J.J. Watt
The Houston Texans defensive end tosses out the first pitch of the 2013 season before the Astros make their AL debut in a home game with the Texas Rangers at Minute Maid Park on March 31.
Houston: Lyle Lovett
The Texas native sings the national anthem before the March 31 opener.