Manhattan High alum Thomas Olson was named Ivy League Rookie of the Week on April 24, after helping Dartmouth win a pair of games against Yale.
Olson earned his fourth save of the season in a 4-3 win over the Bulldogs, using six pitches to record the final two outs of the game.
In an extra-inning game, Olson pitched 3 2/3 scoreless innings and earned his first career victory.
Olson has a 1.73 ERA this season in 26 innings of work, holding opposing batters to a .196 batting average. He has 16 strikeouts this season.