MLB celebrates Fourth of July

Oakland Athletics mascot Stomper waves an American flag before the game against the San Diego Padres at Oakland Coliseum.

World War II veteran Alvin Fagan is honored prior to the Baltimore Orioles-Philadelphia Phillies game at Citizens Bank Park.

Detroit Tigers first base coach Ramon Santiago's socks are seen during the seventh inning against the Chicago Cubs at Wrigley Field.

Fans participate in the sevent- inning stretch at Wrigley Field.

General view of the national anthem before the game between the Houston Astros and Texas Rangers at Globe Life Park in Arlington.

Colorado Rockies mascot Dinger before the game against the San Francisco Giants.

San Francisco Giants catcher Buster Posey (28) during the first inning against the Colorado Rockies at Coors Field.

Oakland Athletics mascot Stomper prepares to wave the American flag before the game against the San Diego Padres at the Oakland Coliseum.

Sam the Bald Eagle performs during the national anthem prior to the game between the Chicago White Sox and the Cincinnati Reds at Great American Ball Park.

General view of the Oakland Athletics baseball cap before the game against the San Diego Padres at the Oakland Coliseum.

Detroit Tigers center fielder JaCoby Jones (21) dives for a ball hit by Chicago Cubs left fielder Kyle Schwarber but cannot make the catch during the fourth inning at Wrigley Field.

Chicago Cubs left fielder Kyle Schwarber (12) wears patriotic socks and shoes for the game at Wrigley Field against the Detroit Tigers.

Milwaukee Brewers starting pitcher Junior Guerra (41) throws a pitch against the Minnesota Twins during the first inning at Miller Park.

Chicago Cubs shortstop Addison Russell (27) and left fielder Ben Zobrist (18) celebrate a win over the Detroit Tigers at Wrigley Field.

Chicago Cubs right fielder Jason Heyward (22) celebrates a win over the Detroit Tigers at Wrigley Field.

Washington Nationals right fielder Bryce Harper (34) talks with Boston Red Sox right fielder Mookie Betts (50) before the game at Nationals Park.

Washington Nationals starting pitcher Tanner Roark (57) throws to the Boston Red Sox during the first inning at Nationals Park.

Minnesota Twins left fielder Eddie Rosario (20) wears his Fourth of July stockings during the eighth inning against the Milwaukee Brewers at Miller Park.

Chicago White Sox starting pitcher Lucas Giolito (27) throws against the Cincinnati Reds in the first inning at Great American Ball Park.

Boston Red Sox pitcher Brian Johnson (61) prepares to pitch to the Washington Nationals during the first inning at Nationals Park.

Cincinnati Reds third baseman Eugenio Suarez (7) reacts after left fielder Adam Duvall (23) hit a three-run home run against the Chicago White Sox in the fifth inning at Great American Ball Park.

Houston Astros second baseman Jose Altuve (27) lays down a bunt during the first inning against the Texas Rangers at Globe Life Park in Arlington.

Texas Rangers catcher Robinson Chirinos (61) and pitching coach Doug Brocail (46) talk to pitcher Austin Bibens-Dirkx (56) during the second inning against the Houston Astros at Globe Life Park in Arlington.

Oakland Athletics starting pitcher Chris Bassitt (40) attempts to tag out San Diego Padres first baseman Eric Hosmer (30) during the fifth inning at the Oakland Coliseum.

General wide view of flags at Coors Field during the second inning of the game between the San Francisco Giants and Colorado Rockies.

Cleveland Indians center fielder Rajai Davis (26) catches a line drive during the first inning against the Kansas City Royals at Kauffman Stadium.

New York Mets right fielder Jose Bautista (11) acknowledges the crowd before the start of game against the Toronto Blue Jays.

Kansas City Royals starting pitcher Danny Duffy (41) delivers a pitch during the first inning against the Cleveland Indians at Kauffman Stadium.

Atlanta Braves first baseman Freddie Freeman (5) greets second baseman Ozzie Albies (1) after his home run in the fifth inning against the New York Yankees at Yankee Stadium.

Philadelphia Phillies left fielder Rhys Hoskins (17) hits a two-RBI double during the third inning against the Baltimore Orioles at Citizens Bank Park.

Baltimore Orioles shortstop Manny Machado (13) celebrates with teammates after scoring a run during the fourth inning against the Philadelphia Phillies at Citizens Bank Park.

New York Yankees second baseman Gleyber Torres (25) and center fielder Aaron Hicks (31) celebrate an 8-5 victory over the Atlanta Braves at Yankee Stadium.

Colorado Rockies center fielder Charlie Blackmon (19) celebrates the win over the San Francisco Giants at Coors Field.

St. Louis Cardinals catcher Yadier Molina reacts after scoring in the second inning against the Arizona Diamondbacks at Chase Field.

Los Angeles Angels starting pitcher Andrew Heaney (28) throws against the Seattle Mariners during the first inning at Safeco Field.

Pittsburgh Pirates catcher Elias Diaz (32) tags out Los Angeles Dodgers shortstop Chris Taylor (3) at home plate in the second inning at Dodger Stadium.

Arizona Diamondbacks manager Torey Lovullo (17) argues with MLB umpire Bill Welke in the seventh inning against the St. Louis Cardinals at Chase Field.

Tampa Bay Rays relief pitcher Sergio Romo (54) delivers a pitch in the 10th inning against the Miami Marlins at Marlins Park.