There are a few different check valve designs, including swing check valves and spring-loaded poppet-style check valves. Understanding which type is best for a given application and ensuring ...

Bryce Harper sent a young fan home with a souvenir he wasn’t expecting after he gave umpire Angel Hernandez a tongue-lashing he won’t soon forget.

Hernandez determined Harper attempted to strike the ball, so he called it a check swing. To each his own. As for the helmet, a 10-year-old fan caught it, and Harper signed it for him.

Phillies outfielder Bryce Harper was ejected Thursday after arguing with third base umpire Ángel Hernández over his decision to rule him out on strikes on an attempted check swing.. On a full ...

Phillies broadcasters rip Angel Hernandez after check-swing call on Bryce Harper: ‘Goodness gracious! That is just terrible!’ "Goodness gracious!

Hernandez rung Bryce Harper up on a check swing call, then ejected the Philadelphia Phillies superstar when he rightly expressed his displeasure. The call came in the bottom of the third inning ...