IOWA CITY, Iowa (Interstat) — Miles Risley hit a grand slam in the second inning and added a solo home run in the sixth as Iowa defeated Purdue 15-9 on Saturday afternoon at Duane Banks Field, completing a three-game sweep of the Big Ten series.

Iowa improved to 29-21 overall, 12-12 in conference play, while Purdue fell to 34-18, 14-10.

Risley’s grand slam, his seventh of the season, capped a five-run second inning that turned a 1-1 tie into a 6-1 Iowa lead. The Hawkeyes never trailed after that. Risley also homered in the sixth, and Ben Swails hit a two-run homer in the eighth to extend Iowa’s lead.

Purdue took a 1-0 lead in the first inning when Keenan Moore singled home Rogers, who had walked and advanced on a double play. Iowa answered in the bottom half when Caleb Wulf doubled to score Risley.

After the Boilermakers pulled within 6-2 on Moore’s unearned run in the third, Aaron Manias homered in the fourth, cutting Iowa’s lead to 6-4. Manias’s two-run shot, his ninth of the season, scored Boyle, who had walked and advanced on a wild pitch.

Iowa built a 10-4 lead after five innings, fueled by a three-run fifth. Risley singled and scored on Wulf’s double, then Joey Nerat’s two-run single drove in two more. Risley’s solo homer in the sixth made it 10-4.

Purdue rallied in the seventh when Jackson Bessette homered to right center, his fifth of the season, scoring Richmond to make it 10-6. But Iowa answered with three runs in the bottom half. Swails doubled, and after a single and a walk, Nerat doubled to center to drive in two runs. A wild pitch then scored another run, giving Iowa a 13-6 lead.

Swails’s two-run homer in the eighth pushed Iowa’s lead to 15-6. Purdue scored three times in the ninth on a groundout and a two-run homer by Sergio DeCello, his third of the season.

Iowa starter Brolan Frost recorded the win. The Hawkeyes outhit Purdue 19-12.

The series opened with Iowa winning 14-5 on Friday and 10-7 on Thursday.

Interstat’s game simulator had projected a final score of Purdue 8, Iowa 5, while Interstat’s ELO system had given Iowa a 57.40 percent probability to win.