VERMILLION, S.D. -- Dante Warren threw a touchdown pass and ran for another score and Jim Thompson returned an interception 67 yards for a touchdown as South Dakota defeated FCS champion Eastern Washington 30-17 on Saturday.

Warren scored on a 2-yard run and threw a 48-yard scoring pass to Jeremy Blount. Warren rushed 19 times for 69 yards and completed 8 of 15 passes for 126 yards.

Thompson's return came with 7:49 left in the second quarter.

Kevin Robb booted field goals of 33, 33 and 30 yards in the second for South Dakota (1-1).

Bo Mitchell had a big passing effort for Eastern Washington (0-2), completing 38 of 60 passes for 369 yards and two touchdowns. Eastern Washington was coming off a 30-27 loss at Washington last week.