Ortiz hits a two-run home run during the sixth inning of Game 2 of the 2013 World Series against the St. Louis Cardinals in Boston.

Ortiz gestures after hitting his 400th career home run off Oakland Athletics' A.J. Griffin in the fourth inning on July 4, 2012, in Oakland, Calif.

Ortiz snaps his bat after it cracked on a ground-out during the fourth inning of a game against the Atlanta Braves June 20, 2009, in Boston.

David Ortiz holds the trophy after winning the All-Star home run derby on July 12, 2010, in Anaheim, Calif.

David Ortiz watches his 500th career home run. He hit it Sept. 12, 2015, in the fifth inning off Tampa Bay Rays starting pitcher Matt Moore. The Associated Press

David Ortiz has seen some tough times during his nine years with the Boston Red Sox, but nothing like this. Nothing like what could be an epic collapse in September.

David Ortiz, right, is mobbed by Marco Scutaro, left, and Kevin Youkilis after clearing the bases with a double in the ninth inning, giving the Red Sox a 5-4 win over Detroit on May 13, 2014.

David Ortiz gestures that he is safe after being called out on a tag by Toronto Blue Jays catcher J.P. Arencibia during the third inning June 28, 2013, at Fenway Park.

David Ortiz reacts as he crosses the plate after hitting a two-run home run during the sixth inning against the Baltimore Orioles at Fenway Park June 24, 2015.

David Ortiz laughs with his son D'Angelo, 8, during a news conference on Nov. 5, 2012, at Fenway Park. Ortiz announced that he had finalized a $26 million, two-year contract, which included bonuses that could raise the value to $30 million.

"Big Papi" takes a selfie with President Barack Obama, holding a Red Sox jersey presented to the president during a ceremony on the South Lawn of the White House in Washington April 1, 2014, where the president honored the 2013 World Series champion Boston Red Sox. In the background are pitchers Junichi Tazawa, left, and Koji Uehara, right.

David Ortiz and relief pitcher Koji Uehara celebrate with teammates after receiving their 2013 World Series rings at Fenway Park in Boston, April 4, 2014, during home opening day ceremonies.

David Ortiz smiles after his game-winning, three-run home run against the Texas Rangers in the ninth inning at Fenway Park on June 6, 2013. The Red Sox won 6-3.

David Ortiz responds to the cheers of fans after he hit a double in the second inning against the Seattle Mariners, July 10, 2013, in Seattle. With the hit, Ortiz' 1,689th in his MLB career, he passed the record held by Harold Baines for the most hits as a designated hitter in major league history.

Ortiz hugs Jackie Bradley Jr. after hitting his 500th career home run on Sept. 12, 2015. The Associated Press

Ortiz is sprayed in the locker room after Boston's 9-1 win over the Los Angeles Angels in Game 3 of an American League division playoff series in Anaheim, Calif., Oct. 7, 2007. The Associated Press

David Ortiz and teammate Mike Carp celebrate after the Red Sox clinched the AL East with a 6-3 win over the Toronto Blue Jays at Fenway Park on Sept. 20, 2013.

David Ortiz scores on a single by Mike Napoli as Oakland Athletics' Stephen Vogt bobbles the throw in the third inning at Fenway Park on June 6, 2015.

David Ortiz signs autographs before a game against the Baltimore Orioles on Sept. 26, 2011, in Baltimore. The Associated Press

Ortiz reacts after following through on a strike during the fifth inning of a game against the New York Yankees Aug. 8, 2009, in New York. The Red Sox lost the game 5-0.

David Ortiz laughs with teammates in the dugout after hitting a double for his 2,000th career hit, in the sixth inning against the Detroit Tigers at Fenway Park on Sept. 4, 2013.