Reds keep rolling, hit 4 HRs to back Castillo, sweep Pirates

Cincinnati Reds' starting pitcher Luis Castillo (58) pitches in the first inning of a baseball game against the Pittsburgh Pirate at Great American Ball Park in Cincinnati, Wednesday, April 7, 2021. (AP Photo/Bryan Woolston)

Cincinnati Reds' Tyler Stephenson hits a home run during the eighth inning of a baseball game against the Pittsburgh Pirates at Great American Ball Park in Cincinnati, Wednesday, April 7, 2021. (AP Photo/Bryan Woolston)

Cincinnati fans find their seats at Great American Ball Park before a baseball game between the Cincinnati Reds and the Pittsburgh Pirates in Cincinnati, Tuesday, April 7, 2021. (AP Photo/Bryan Woolston)

Cincinnati Reds' fans celebrate during the eighth inning of a baseball game against the Pittsburgh Pirates at Great American Ball Park in Cincinnati, Wednesday, April 7, 2021. (AP Photo/Bryan Woolston)

Cincinnati Reds Tyler Naquin (12) runs the base after hitting a home run during the first inning of a baseball game against the Pittsburgh Pirates at Great American Ball Park in Cincinnati, Wednesday, April 7, 2021. (AP Photo/Bryan Woolston)

Pittsburgh Pirates' Erik Gonzalez, second from left, celebrates with teammates after hitting a grand slam during the ninth inning of a baseball game against the Cincinnati Reds at Great American Ball Park in Cincinnati, Wednesday, April 7, 2021. (AP Photo/Bryan Woolston)

Cincinnati Reds' teammates celebrate after defeating the Pittsburgh Pirates 11-4 at Great American Ball Park in Cincinnati, Wednesday, April 7, 2021. (AP Photo/Bryan Woolston)

Cincinnati Reds' Jonathan India (6) is tagged out at second base during the seventh inning of a baseball game against the Pittsburgh Pirates at Great American Ball Park in Cincinnati, Wednesday, April 7, 2021. (AP Photo/Bryan Woolston)