The No. 2 rusher in NCAA Division I-AA, University of Idaho junior running back Devon Pearce, was the only unanimous first-team selection on the 1990 all-Big Sky Conference football team named Tuesday.

University of Nevada wide receiver and return specialist Treamelle Taylor and Boise State running back Chris Thomas also were named first-team all-Big Sky for the second consecutive season in voting by league coaches.The selections were announced by Big Sky Commissioner Ron Stephenson.

Pearce, a junior from Portland, Ore., led the Big Sky in rushing this season with 1,393 yards on 267 carries for 5.2 yards per carry average and a league high 15 touchdowns. He averaged 126.6 yards rushing per game, lead the Big Sky in scoring with 102 points and was second in all-purpose rushing with an average of 144.5 yards per game.

Taylor, a senior from Los Angeles, had 57 pass receptions for 893 yards and seven touchdowns for the Wolf Pack. He led the Big Sky in all-purpose rushing with 157 yards per game. He also was second in the league in both punt and kickoff returns, averaging 11.1 and 26.2 yards per return, respectively, with one touchdown in each category.

Thomas, a junior from Kent, Wash., finished second to Pearce among Big Sky rushers, gaining 913 yards on 231 attempts for an 83 yard per game and eight touchdowns.

Joining Taylor at the other wide receiver was Idaho junior Kasey Dunn, who led the Big Sky and Division I-AA in catches per game. The junior from Poulsbro, Wash., caught 88 passes for 1,164 yards and seven touchdowns, averaging eight pass receptions a game and 13.2 yards per play.

Weber State's George Jackson was the third running back selected, joining quarterback Jamie Martin of the Wildcats in the first-team all-Big Sky backfield.

Jackson, a senior from San Diego, averaged 74.4 yards per game rushing on 184 carries for a 4.1 yards-per-game average and 10 touchdowns.

Martin, a sophomore from Arroyo Grande, Calif., lead all Division I-AA teams in total offense. He averaged 337.5 yards per game and accounted for 25 touchdowns. He completed 256 of 428 passes for 3,700 yards and 23 touchdowns. His passing efficiency rating of 143.2 was sixth in I-AA this season.

The all-conference tight end was Eastern Washington's Tony Leseigne, a 6-foot, 4-inch, 235-pound senior from Moxee, Wash., and the place kicker was Kevin McKelvie of the University of Nevada.

McKelvie, a senior from Mission Viejo, Calif., connected on 21 of 24 field goals during the regular season, an average of 1.9 per game. He added 37 extra points for an even 100 points.

The first-team offensive front picked by coaches included four underclassmen, led by University of Montana guard Rick Erps, a 6-6, 286-pound junior from Glasgow, Mont. He was joined at guard by Weber State's Kelvin Dexter, a 6-3, 305-pound senior from Las Vegas, Nev.

The tackles included Eastern Washington's Kevin Sargent, a 6-6, 261-pound junior from Bremerton, Wash.; and Weber State's Bruce Covernton a 6-6, 285-pound junior from Winnipeg, Manitoba, Canada. The center was Mike Micone of Nevada, a 6-4, 245-pound senior from Reno, Nev.