Ricardo Allen and Josh Johnson returned interceptions for touchdowns as Purdue topped Marshall 51-41 Saturday at Ross-Ade Stadium.
The Boilermakers scored four touchdowns in the second quarter to improve to 3-1.
The game was tied at 14 early in the second quarter.
Purdue then scored 28 straight points.
Akeem Shavers scored on a 2-yard run to make 21-14. Caleb TerBush threw a 35-yard touchdown pass to Gary Bush, giving Purdue a 28-14 lead.
Allen then returned an interception 39 yards for a score. It was his fourth interception return for a touchdown, a Purdue record.
Johnson returned his interception 74 yards for a touchdown on the next possession.
The two interception returns for touchdowns in one game is a school record.
Marshall's Rakeem Cato threw a 28-yard pass to Gator Hoskins to make it 42-21 in the third quarter. Marshall's Derek Mitchell picked up a blocked punt later in the quarter and returned it for a touchdown, cutting Purdue's lead to 42-28.
Paul Griggs made a 34-yard field goal for Purdue, giving the Boilermakers a 45-28 advantage.
Hoskins caught his third touchdown pass early in the fourth quarter to get the Thundering Herd within 45-35.
TerBush threw his fourth touchdown of the game, and third to Bush, to give Purdue a 51-35 lead with 6:38 to go. Cato threw his fifth touchdown pass, but Marshall failed on a two-point conversion attempt, for the game's final points.
For more on this game, read Sunday's Journal Gazette or return to www.journalgazette.net after 3 a.m.