Giants SS Thairo Estrada leaves game after getting hit on helmet
Mark Leiter - Wikipedia
Cubs' season feels like it's spiraling out of control. Can they
The origin of Mark Leiter Jr.'s splitter and how he became a
Phillies get Bautista from Mets, designate Leiter Jr.
Velasquez helps Phillies split DH with Padres – The Times Herald
Fightin Phils replay: June 20, 2015 – Reading Eagle
Chicago Tribune
Rockies 9, Cubs 6: Mark Leiter Jr. gets lit up - Bleed Cubbie Blue
Blue Jays claim Leiter Jr., recall Reid-Foley, Fernandez, Guerrieri
MLB: Orlando Arcia hits 3-run homer in 10th, lifts Braves past
MLB roundup: Phillies score 9 in first, bash 23 hits to rout Reds
Phillies' Mark Leiter Jr. was never doubted by his dad