Jake Arrieta (P/Chicago Cubs) – Arrieta and the Cubs played the Pirates in Chicago on July 8. In 5 2⁄3 innings, Arrieta allowed 4 runs on 6 hits (3 earned, including 1 home run). He struck out 3 and walked 2. The Cubs lost 4-2. Arrieta continues to make changes to his pitching. During the game, pitching coach Chris Bosio could be seen reminding Arrieta to loosen his grip on the ball, a change they’ve been working on for both his changeup and sinker.
Chris Bosio Reminding Jake Arrieta to move/shake the Ball in his Hand to Prevent "Choking" it/Loosen his Grip.