Pittsburgh Pirates right fielder Gregory Polanco takes batting practice in a light rain during summer workouts at PNC Park in Pittsburgh on July 7. Photo by Archie Carpenter/UPI | License Photo
Pirates pitcher J.T. Brubaker throws during summer workouts. Photo by Archie Carpenter/UPI | License Photo
St. Louis Cardinals pitcher Brett Cecil throws during batting practice at Busch Stadium in St. Louis on July 7. Photo by Bill Greenblatt/UPI | License Photo
Cardinals manager Mike Schildt watches batting practice from the dugout. Photo by Bill Greenblatt/UPI | License Photo
Washington Nationals pitcher Stephen Strasburg runs in the outfield during training camp at Nationals Park in Washington, D.C., on July 7. Photo by Kevin Dietsch/UPI | License Photo
Nationals players are seen in the bullpen, some wearing face masks, during training camp. Photo by Kevin Dietsch/UPI | License Photo
The Nationals’ Anibal Sanchez participates in practice during training camp. Photo by Kevin Dietsch/UPI | License Photo
Nationals first baseman Eric Thames takes batting practice during training camp. Photo by Kevin Dietsch/UPI | License Photo
Cleveland Indians pitcher Zach Plesac throws during the team’s training camp workout at Progressive Field in Cleveland on July 6. Photo by Aaron Josefczyk/UPI | License Photo
The Indians’ Francisco Lindor (L) fist bumps manager Terry Francona during the team’s training camp workout at Progressive Field in Cleveland on July 6. Photo by Aaron Josefczyk/UPI | License Photo
Lindor (L) sprays hand sanitizer on Francona’s hands. Photo by Aaron Josefczyk/UPI | License Photo
The Indians’ Jose Ramirez fields a ball during the team’s training camp workout. Photo by Aaron Josefczyk/UPI | License Photo
A sign gives directions for entry to Progressive Field during the team’s training camp workouts. Photo by Aaron Josefczyk/UPI | License Photo
The St. Louis Cardinals stretch before practice at Busch Stadium in St. Louis on July 5. Photo by Bill Greenblatt/UPI | License Photo
The Cardinals’ Paul DeJong connects during batting practice. Photo by Bill Greenblatt/UPI | License Photo
The Cardinals’ Matt Carpenter loosens up during batting practice. Photo by Bill Greenblatt/UPI | License Photo
Cardinals President of Baseball Operations John Mozeliak watches batting batting practice from the stands at Busch Stadium. Photo by Bill Greenblatt/UPI | License Photo
The Cardinals’ Dexter Fowler laughs with teammates during batting practice. Photo by Bill Greenblatt/UPI | License Photo
Chicago Cubs right fielder Jason Heyward bats in a scrimmage during training camp at Wrigley Field in Chicago on July 4. Photo by Kamil Krzaczynski/UPI | License Photo
Members of the Cubs warm up before playing in a scrimmage game. Photo by Kamil Krzaczynski/UPI | License Photo
Cubs left fielder Kyle Schwarber throws the ball during training camp. Photo by Kamil Krzaczynski/UPI | License Photo
From left to right, Los Angeles Dodgers manager Dave Roberts, Mookie Betts and Cody Bellinger pick up balls in center field during a summer workout at Dodger Stadium in Los Angeles on July 3. Photo by Jim Ruymen/UPI | License Photo
A security official wearing a face mask watches from behind a gate at Camden Yards during the Baltimore Orioles’ first training camp workout in Baltimore on July 3. Photo by David Tulis/UPI | License Photo
Orioles pitcher Tom Eshelman throws in the team’s first training camp workout at Camden Yards. Photo by David Tulis/UPI | License Photo
Orioles first baseman Chris Davis grins during the team’s first training camp workout. Photo by David Tulis/UPI | License Photo
Members of the Orioles participate in the team’s first training camp workout. Photo by David Tulis/UPI | License Photo
The Cardinals hold batting practice at the start of the team’s first spring training workout at Busch Stadium in St. Louis on July 3. Photo by Bill Greenblatt/UPI | License Photo
The Cardinals’ Kolten Wong (L) talks with Harrison Bader during batting practice. Photo by Bill Greenblatt/UPI | License Photo
The Cardinals’ Yadier Molina watches a fly ball he hit during batting practice. Photo by Bill Greenblatt/UPI | License Photo
The gates for the Kansas City Royals open up to media only for their summer camp at Kaufman Stadium in Kansas City, Mo., on July 3. Photo by Kyle Rivas/UPI | License Photo
Royals hitting coach Terry Bradshaw wears a mask at the start of a training workout. Photo by Kyle Rivas/UPI | License Photo
An example cutout of a fan is on display as the Royals take the field at the start of training. Photo by Kyle Rivas/UPI | License Photo
Royals manager Mike Matheny talks with media and staff members in the stands at the start of training. Photo by Kyle Rivas/UPI | License Photo
Royals pitcher Greg Holland practices his form. Photo by Kyle Rivas/UPI | License Photo
A heart is seen in center field as members of the grounds crew work on the field before to the first day of Washington Nationals’ spring training at Nationals Park in Washington, D.C., on July 3. Photo by Kevin Dietsch/UPI | License Photo
A member of the Nationals walks past a heart design on the field on the first day of training camp. Photo by Kevin Dietsch/UPI | License Photo
The Nationals’ Trea Turner takes batting practice on the first day of training camp. Photo by Kevin Dietsch/UPI | License Photo
