DETROIT, Mich. -- Tyler Shelast scored a pair of goals and netminder Michael-Lee Teslak made a career-high 57 saves, but an overtime goal from Colton Fretter gave Michigan State (8-7-5, 4-5-4 CCHA) a 3-2 win over Michigan Tech (4-16-1, 3-10-1 WCHA) in the opening game of the 41st annual Great Lakes Invitational at Joe Louis Arena Thursday night.

Teslak stopped 23-of-24 shots in the first period and MSU's lone goal came at the 18:53 mark when Tim Crowder netted his seventh marker of the season.

Aided by a 5:00 checking from behind major penalty, the Huskies evened the score at 1-1 at 14:50 of the second stanza. Tyler Shelast tallied his team-best fourth power-play marker of the year off assists from Lars Helminen and Ryan Angelow. Helminen rifled a hard wrister from the right point and Shelast tipped the puck high above Spartan goaltender Dominic Vicari on the stick side. Helminen's helper was his team-leading 11th of the season, while Angelow earned the second assist of his freshman campaign.

Tech responded with the go-ahead goal at the 17:09 mark of the middle frame. Shelast lit the lamp for the second time of the night, this time with an unassisted marker. The winger corralled a rolling puck in the left circle and fired a quick shot past Vicari on the stick side.

Justin Abdelkader notched the game-tying score for the Spartans at 10:04 of the third period.

Neither team scored again in the final stanza, forcing overtime.

Fretter's ot goal at 13:59 helped MSU advance to Friday's GLI championship game against the winner of the Colorado College/Michigan game.

Vicari finished with 34 saves for the Spartans.

MSU outshot MTU 60-36 in the game.

The Huskies were 1-4 on the power play, compared to an 0-6 clip for the Spartans.

Tech will play in the third-place game tomorrow afternoon at 4:36 p.m.

Notes: Shelast's two-goal performance was his first multi-goal game of the season and the third of his career ... Teslak's 57-save effort was a GLI record, as he bested the old mark of 46 saves set by Colgate's Geoff McMullen, who posted the old high mark back on Dec. 29, 1970 ... It was also the highest save total for an MTU goalie since Cam Ellsworth made 52 saves in a 4-2 loss to St. Cloud State on Feb. 1, 2003.