Robertson hit .377 with 114 hits in 302 at-bats with the Eugene Emeralds. He collected 21 doubles, three triples, three homers, 59 runs scored, and 45 RBIs across 73 games. He also drew 34 walks compared to 34 strikeouts for a .443 on-base percentage and stole 20 bases in 27 attempts. Robertson led the Northwest League in hitting, hits, on-base percentage and runs scored. He placed second in RBIs, third in stolen bases, tied for third in doubles, and fifth in slugging percentage (.497).

Notes: The San Diego Padres selected Dan Robertson in the 33rd-round of the 2008 MLB Draft.

Robertson transferred to Oregon State prior to the 2008 season from Concordia. In his one and only season with OSU, Robertson batted .327, hit 12 doubles, one triple and two home runs and drove in 27 RBI. He made four assists in the outfield and was involved in three double plays.