RB Gerald Holmes led the team to victory with two touchdowns in the 4th quarter.
Williamson scored a touchdown on a 64-yard fumble recovery and also had an interception in the red zone in the win over Air Force.
Connor Cook threw four touchdown passes, including three scoring strikes to Aaron Burbridge, and RJ Williamson came up with three big plays, as No. 4 Michigan State defeated previously unbeaten Air Force, 35-21.
QB Connor Cook threw for four touchdowns and 247 yards in win over Air Force.
Michigan State held a nine-point, third-quarter lead in Eugene last season until Oregon finished the game by scoring 28 unanswered points for a 46-27 win.
WEST LAFAYETTE, Ind. (AP) - Michigan State coach Mark Dantonio likes his team's resilience.
Now it's time to develop a knockout punch.
Connor Cook threw three touchdown passes and Nick Hill ran for two scores Saturday, but No. 8 Michigan State still needed a late interception return for a touchdown to hold on 45-31 at Purdue
Michigan State defeats Western Michigan on September 4, 2015.
Football versus the Michigan Wolverines on October 25, 2014.
Michigan State vs. Michigan-AP Photo Gallery
Michigan State vs. Ohio State - AP Photos (9/29/12)
AP Photos: Michigan State vs. Central Michigan
Fifth-year senior and three-year letterwinner enters his second season as the starting strong safety . . . has 130 tackles and 17 passes defended (six interceptions, 11 pass break-ups) in 38 career games, including 12 starts.
2014 SEASON (JUNIOR): Saw action in all 13 games, including 10 starts at strong safety . . . ranked third on the team with a career-high 59 tackles (34 solos, 25 assists) . . . ranked tied for second on the team with three interceptions (60 yards), including two interception returns for touchdowns (29 yards vs. Michigan; 22 yards vs. Maryland) . . . ranked third on the team with a career-best five pass break-ups . . . ranked seventh on the team with 109 production points during the regular season . . . named to BTN.com All-Big Ten Postseason Team . . . led MSU with 10 tackles in the 2015 Cotton Bowl Classic victory over No. 4 Baylor; ran back Marcus Rush's blocked field goal in the fourth quarter 36 yards to set up MSU's game-winning touchdown drive in the 20-point comeback win . . . defensive recipient of MSU's Outstanding Underclass Award . . . returned an interception 22 yards for a touchdown at Maryland in the third quarter to give MSU a 23-7 lead in the eventual 37-15 victory . . . recorded a career-high 11 tackles vs. No. 14 Ohio State . . . returned an interception 29 yards for a touchdown in the third quarter and had four tackles in the win over Michigan . . . collected 15 production points and had six tackles at Indiana . . . had five tackles and a pass break-up against Wyoming . . . named the fourth game captain vs. Eastern Michigan while leading the team with 17 production points; returned an interception 9 yards and also had a tackle againt the Eagles . . . collected nine stops (six solo, three assists) at No. 3 Oregon . . . recorded four tackles and a pass break-up in the season-opening win over Jacksonville State.
2013 SEASON (SOPHOMORE): Ranked eighth on the team with 44 tackles, including three for losses (6 yards) . . . also had three passes defended (one interception, two pass break-ups) . . . ranked eighth on the team with 80 production points . . . started two games (Youngstown State, Notre Dame) . . . recorded four tackles against fifth-ranked Stanford in the 100th Rose Bowl Game . . . played a majority of the game at Northwestern following Isaiah Lewis' ejection for targeting in the first quarter, producing seven tackles and a pass break-up . . . collected three tackles, including a 1-yard loss, at Illinois . . . had three stops, including a 2-yard loss, vs. Purdue . . . registered his third career interception and posted two tackles vs. Indiana . . . tallied a career-high 10 tackles at No. 22 Notre Dame . . . collected six tackles and a pass break-up in his first career start against Youngstown State . . . posted three stops, including a 3-yard loss, in the season opener vs. Western Michigan.
2012 SEASON (RED-SHIRT FRESHMAN): Appeared in 11 games to earn his first letter . . . collected 27 tackles and had six passes defended (two interceptions, four pass break-ups) . . . was one of five Spartans with at least two interceptions. . . named to Big Ten All-Freshman Team by ESPN.com and BTN.com . . . tied for second on the team with five tackles on special teams, including four on punt coverage . . . recovered a fumbled punt at the TCU 4-yard line that led to a Spartan touchdown in the third quarter during the 2012 Buffalo Wild Wings Bowl victory over the Horned Frogs; also had one tackle and a pass break-up vs. TCU . . . recorded his second interception of the season and was credited with a 21-yard return at Minnesota . . . missed two games (Wisconsin, Nebraska) with an ankle injury . . . had three tackles at No. 23 Michigan . . . collected nine tackles and broke up a pass at Indiana . . . posted five tackles, including a 1-yard loss, and forced a fumble at Central Michigan . . . in his collegiate debut against No. 24 Boise State, made an acrobatic catch off a tipped pass in the end zone for his first career interception.
2011 SEASON: Redshirted . . . named Scout Team Defensive Player of the Week vs. Florida Atlantic . . . selected Scout Team Defensive Co-Player of the Week vs. Wisconsin.
HIGH SCHOOL AND PERSONAL DATA: Ranked among the nation's top cornerbacks by Scout.com (No. 31) . . . ranked among the country's top athletes by Scouts, Inc. (No. 49) . . . listed among the nation's top wide receivers by Rivals.com (No. 70) . . . ranked among the Midwest's top prospects by SuperPrep (No. 56) . . . also named to PrepStar's All- Midwest Team . . . rated among Ohio's top seniors by Rivals.com (No. 32) . . . three-year starter for Coach James Lacking at Dunbar High School in Dayton, Ohio . . . second-team All-Ohio (Division III) selection as a defensive back in 2010 by The Associated Press . . . earned AP Southwest All-District first-team honors as a senior . . . recorded 49 tackles (19 solos, 30 assists), nine passes defended including three interceptions, and one forced fumble in 2010 . . . posted double-figure tackles in the first three games of his senior year, registering 10 stops each vs. Germantown Valley View, Trotwood-Madison and Columbus Whetstone . . . intercepted two passes vs. Findlay . . . two-way player added 12 catches for 271 yards (22.6 avg.) and two touchdowns . . . caught three passes for 101 yards and two scores vs. Columbus Whetstone . . . earned first-team all-city honors on both sides of the football as a junior . . . produced 60 tackles (37 solos, 23 assists) and 14 passes defended, including seven interceptions (189 yards), in 2009 . . . registered six tackles and a career-best three interceptions vs. Meadowdale, returning one pick for a score . . . made 10 stops plus forced and recovered a fumble vs. Thurgood Marshall . . . totaled a career-high 15 tackles and two interceptions vs. Cincinnati Taft . . . also accounted for 1,250 all-purpose yards and nine TDs as a junior . . . rushed 56 times for 540 yards (9.6 avg.) in 2009 . . . carried 15 times for a career-best 301 yards and three TDs vs. Greenville . . . had 16 receptions for 364 yards (22.8 avg.) and five scores as a junior . . . scored on an 80-yard TD reception vs. Columbus Whetstone . . . caught six passes for 137 yards and two scores vs. Germantown Valley View . . . also participated in track and basketball for the Wolverines . . . won two relay medals (4x100 and 4x200) in the Ohio Division II outdoor championships as a junior . . . son of Roger Williamson Sr. and Domonica Cox . . . born Feb. 8, 1993 . . . expected to graduate in August 2015, with a bachelor's degree in advertising.