2017-18 Match-by-Match Results
2018-19: Sophomore ... Wrestling at 133 lbs. ... Recorded a major decision over Jens Lantz to give NU a 10-0 lead in the upset win over #11 Wisconsin (1/18) ... Won by major decision in the Big Ten opener at Nebraska (1/6) ... Took seventh place at the Midlands Championships, winning five matches (12/29-30) ... Recorded a pair of victories in the back-to-back duals against Stanford and Cal Poly (12/17) ... Ranked #18 nationally to start the season.
2017-18: First-year ... Wrestled at 133 lbs. ... Last-minute qualifier for the NCAA Championships (3/15-17) after serving as first-alternate ... Went 2-2, with two wins coming over ranked wrestlers ... Topped Edinboro's Korbin Myers, the 13th-ranked wrestler in the nation, via 5-2 decision ... Ended the regular season with a win over John Muldoon of SIUE (2/18) ... Beat Garrett Pepple of Indiana in the Big Ten finale (2/11) ... Posted a 13-4 major decision of Wisconsin's Jens Lantz in NU's upset of the #16 Badgers (1/12) ... Defeated #20 Dylan Duncan of Illinois with a 12-6 decision for the first ranked win of his career ... Despite being unseeded, finished in sixth place at the Midlands Championships (12/29-30) ... His only losses came against ranked opponents ... Posted a major decision against Maryland's Jhared Simmons in his Big Ten dual debut (12/2) ... Took fourth place at the Keystone Classic (11/19) ... Wrestled in five matches at the Michigan State Open (11/5) as an unattached wrestler.
High School: Wrestled for four years under head coach Armond Aaron … Was named a captain … Notched a school-record 178 wins compared to only 10 losses … His 383 career takedowns for Rockhurst are also a school record … State champion his junior year and State runner-up his senior year … Took fourth place at State his sophomore campaign … Three-time District Champion … Wrestled for four years for the Greater Heights Wrestling Club … Finished in sixth place at the Super 32 Challenge … Placed third at the UWW Cadet World Team Trials … Twice named a Gold Medalist at the Cadet Pan-Am Games … Two-time member of the All-Metro first-team … Participated in both the Missouri vs. Kansas Metro Classic and Missouri Border Brawl All-Star competitions … Academically, was a two-time first honors-recipient and a four-time second-honors winner.
Personal: Born Colin Mitchell Valdiviez … Son of Rachel and Jon Valdiviez … Chose Northwestern over Missouri, Nebraska, North Carolina, and Ohio State … Anticipated major is undecided.
2018-19: Sophomore ... Wrestling at 133 lbs. ... Recorded a major decision over Jens Lantz to give NU a 10-0 lead in the upset win over #11 Wisconsin (1/18) ... Won by major decision in the Big Ten opener at Nebraska (1/6) ... Took seventh place at the Midlands Championships, winning five matches (12/29-30) ... Recorded a pair of victories in the back-to-back duals against Stanford and Cal Poly (12/17) ... Ranked #18 nationally to start the season.
2017-18: First-year ... Wrestled at 133 lbs. ... Last-minute qualifier for the NCAA Championships (3/15-17) after serving as first-alternate ... Went 2-2, with two wins coming over ranked wrestlers ... Topped Edinboro's Korbin Myers, the 13th-ranked wrestler in the nation, via 5-2 decision ... Ended the regular season with a win over John Muldoon of SIUE (2/18) ... Beat Garrett Pepple of Indiana in the Big Ten finale (2/11) ... Posted a 13-4 major decision of Wisconsin's Jens Lantz in NU's upset of the #16 Badgers (1/12) ... Defeated #20 Dylan Duncan of Illinois with a 12-6 decision for the first ranked win of his career ... Despite being unseeded, finished in sixth place at the Midlands Championships (12/29-30) ... His only losses came against ranked opponents ... Posted a major decision against Maryland's Jhared Simmons in his Big Ten dual debut (12/2) ... Took fourth place at the Keystone Classic (11/19) ... Wrestled in five matches at the Michigan State Open (11/5) as an unattached wrestler.
High School: Wrestled for four years under head coach Armond Aaron … Was named a captain … Notched a school-record 178 wins compared to only 10 losses … His 383 career takedowns for Rockhurst are also a school record … State champion his junior year and State runner-up his senior year … Took fourth place at State his sophomore campaign … Three-time District Champion … Wrestled for four years for the Greater Heights Wrestling Club … Finished in sixth place at the Super 32 Challenge … Placed third at the UWW Cadet World Team Trials … Twice named a Gold Medalist at the Cadet Pan-Am Games … Two-time member of the All-Metro first-team … Participated in both the Missouri vs. Kansas Metro Classic and Missouri Border Brawl All-Star competitions … Academically, was a two-time first honors-recipient and a four-time second-honors winner.
Personal: Born Colin Mitchell Valdiviez … Son of Rachel and Jon Valdiviez … Chose Northwestern over Missouri, Nebraska, North Carolina, and Ohio State … Anticipated major is undecided.
| Season | Overall W-L | Dual Meet W-L | Big Ten W-L |
Dual Points For-Against | Big Ten Champs. | NCAA Champs |
Pins For-Against | Tech Falls For-Against | Major Dec. For-Against |
| 2017-18 | 23-18 | 8-7 | 4-5 | 29-22 | -- | -- | 1-1 | -- | 5-3 |
| 2018-19 | 13-13 | 5-9 | 2-6 | 20-31 | -- | -- | 0-2 | 3-0 | 3-2 |
| Career | 36-31 | 13-16 | 6-11 | 49-53 | -- | -- | 1-3 | 3-0 | 8-5 |