Completed Event: Baseball at Stanford on May 9, 2025 , Win , 4, to, 3
Baseball
at Stanford
W 4-3
Grand Canyon University Athletics
2017 Baseball Roster
Roster
Mumper, Marc
RHP
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Jersey Number 18
Marc Mumper
- Position:
- INF
- Ht./Wt.:
- 5-11 / 165
- Class:
- Sophomore
- B/T:
- R/R
- Hometown:
- Highlands Ranch, Colo.
- HS:
- Mountain Vista
- Major:
- Communications
Bio
Grand Canyon
2019 | Senior
- Capped off his time at GCU with career bests in batting average (.269), slugging percentage (.376) and on-base percentage (.395).
- Spent half of the season as GCU's everyday shortstop, collecting seven multi-hit games along the way.
- Drew a leadoff walk and scored a key run in GCU's comeback attempt in the WAC Championship game on May 26, what would prove to be his final collegiate plate appearance.
2018 | Junior
- Second straight season as GCU's everyday shortstop, starting 49 of the team's 57 games at the position.
- Started the season on a tear from the plate, hitting a team-best .375 through the first three weekends of the season.
- Had first two three-hit games of career at Cal Poly on Feb. 24 and Northern Colorado on March 31.
2017 | Sophomore
- Took over role as everyday shortstop and went on to play in 43 games and make 41 starts. Hit .210 with two homers and 20 RBIs.
- Had key, two-RBI single vs. San Francisco on March 12 as GCU went on to win by a run.
- Pitched two outs in a loss to New Mexico on March 22, recording a strikeout.
- Hit three-run home run against Northern Colorado for the second straight season on April 1.
- Hit another homer in Las Cruces during GCU's three-game sweep of New Mexico State.
- The Lopes finished 23-16 in games that Mumper started at shortstop.
- Had best offensive month of his career in April, slugging .585 during conference games in the month.
- Posted a .973 fielding percentage for the season, a mark which ranked third in the WAC among defenders with over 100 assists.
2016 | Freshman
- Played in 19 games for Grand Canyon including seven starts, hitting .154 (4-for-26).
- Made Lopes' debut in pinch-hit appearance on Feb. 20 vs. Gonzaga, logging first career hit and scoring a run.
- Made first career start in the second game of a doubleheader at Houston on March 19.
- Hit his first career home run, a three-run blast, in his return to his home state of Colorado at Northern Colorado on May 7.
Summer League
- 2018 - Anchorage Glacier Pilots (Alaska)
- 2017 - Front Royal Cardinals (Valley)
- 2016 - Liberal Bee Jays (Jayhawk)
Gresham GreyWolves (West Coast)
High School
Mountain Vista High School - Highlands Ranch, Colo.
- Played varsity baseball for three seasons, compiling a .333 overall batting average with 64 hits.
- Was selected in the 37th Round of the 2015 MLB First Year Players Draft by the Colorado Rockies, but elected to go the way of collegiate baseball.
- Posted best batting average in 2015 as a senior at .356 (21-for-59) with 22 RBIs.
- Hit .347 as a junior with 29 runs scored.
- Garnered All-State recognition as a senior in 2015.
- Also pitched, going 5-4 with a 3.06 ERA over 24 career appearances.
- Racked up the accolades early in his career, including Baseball Factory All-American, Perfect Game West Region Honorable Mention and 2013 & 2014 Underclassman Honorable Mention.
Personal
- Parents are Dave and Cathy Mumper.
- Father, Dave, has coached baseball for 30 years and is a scout for the Chicago White Sox.
- Father, Dave, played baseball and basketball at Western State (Colorado) from 1978-81.
- Outside of baseball, enjoys fishing.
- Collects shoes.
GCU Baseball - WAC Tournament vs. Utah Tech - Highlights
Thursday, May 22
Baseball at Stanford - Barreras' game-winning double
Saturday, May 10
Baseball vs. Arizona (5/6/25) - Yorke homers twice to break record
Wednesday, May 07
GCU Baseball - Eli Paton walk-off single vs. UTA
Saturday, April 26
