Kansas City Royals' Omar Infante hits an RBI single in the second inning during a game last month against the Cincinnati Reds. Ed Zurga/AP hide caption

itoggle caption Ed Zurga/AP

Texas Rangers relief pitcher Lisalverto Bonilla throws during the fifth inning of a spring training baseball game against the Kansas City Royals on March 4, in Surprise, Ariz. He is scheduled to undergo Tommy John surgery this week. Charlie Riedel/AP hide caption

itoggle caption Charlie Riedel/AP

Yoan Francisco, a rookie for the Havana Industriales, warms up before a game at Havana's Latin American Stadium. Cuban baseball has been facing hard times, but improved diplomatic relations with the U.S. have raised the possibility of increased cooperation and new opportunities. Eyder Peralta/NPR hide caption

itoggle caption Eyder Peralta/NPR

New York Yankee Alex Rodriguez watches from the dugout during an intrasquad game at a spring training baseball workout Monday in Tampa, Fla. Lynne Sladky/AP hide caption

itoggle caption Lynne Sladky/AP

Game clocks will be a common, and mandatory, sight at MLB stadiums in the 2015 season. But they'll only be used between innings, unlike pitch clocks like this one at an Arizona Fall League game. Mike Janes/Four Seam Images via AP hide caption

itoggle caption Mike Janes/Four Seam Images via AP

Chicago Cub Ernie Banks, right, told NPR's Scott Simon, left, in 2014 that he had a lot of fun winning games, but the main thing in his life was "making friends." Peter Breslow/NPR hide caption

itoggle caption Peter Breslow/NPR

San Francisco Giants pitcher Madison Bumgarner throws during the fifth inning of Game 7 of the World Series in Kansas City, Mo., on Wednesday. He was also the winning starting pitcher in Game 1 and Game 5. Jeff Roberson/AP hide caption

itoggle caption Jeff Roberson/AP

The San Francisco Giants' Brandon Belt can't reach the Kansas City Royals' Alcides Escobar as he slides safely to first base on an infield single Tuesday night during the second inning of Game 6 of baseball's World Series in Kansas City, Mo. Escobar eventually would score the Royals' fourth run. Matt Slocum/AP hide caption

itoggle caption Matt Slocum/AP

San Francisco Giants pitcher Hunter Strickland watches Wednesday as Kansas City Royals Omar Infante runs around the bases after hitting a two-run home run during the sixth inning of Game 2 of baseball's World Series Wednesday Matt Slocum/AP hide caption

itoggle caption Matt Slocum/AP

Madison Bumgarner of the San Francisco Giants pitches in the first inning against the Kansas City Royals during Game 1 of the 2014 World Series on Tuesday in Kansas City, Mo. Rob Carr/Getty Images hide caption

itoggle caption Rob Carr/Getty Images

The San Francisco Giants' Travis Ishikawa reacts Thursday after hitting a walk-off three-run home run during the ninth inning of Game 5 of the National League Championship Series against the St. Louis Cardinals. Jeff Chiu/The Associated Press hide caption

itoggle caption Jeff Chiu/The Associated Press

Outfielder Alex Gordon of the Kansas City Royals celebrates the team's Game 4 win over the Baltimore Orioles, which completed a sweep of the American League Championship Series, at Kauffman Stadium in Kansas City, Mo., on Wednesday. Jamie Squire/Getty Images hide caption

itoggle caption Jamie Squire/Getty Images

Derek Jeter smiles during a game against the Toronto Blue Jays on Sept. 18. The Yankee captain, who retires at the end of this season, joined the 3,000-hit club in 2011. Frank Franklin II/AP hide caption

itoggle caption Frank Franklin II/AP

Chief Operating Officer of Major League Basball Rob Manfred speaks June 26 during a Memorial Tribute To Tony Gwynn by the San Diego Padres at PETCO Park in San Diego. Stephen Dunn/Getty Images hide caption

itoggle caption Stephen Dunn/Getty Images

First baseman Jim Thome stands in at the plate in a 1997 Cleveland Indians game. The team signed Thome to a special contract this weekend so he could retire with the team that brought him to the big leagues. Jonathan Daniel/Getty Images hide caption

itoggle caption Jonathan Daniel/Getty Images