- 2023 All-RMAC first team
- 2023 RMAC Pitcher of the Week, Feb. 8
- 2022 All-RMAC second team
- 2022 RMAC Pitcher of the Week, Feb. 22
- 2021 RMAC Co-Freshman Pitcher of the Year
Career: Entered the 2024 season as the program’s all-time leader with 11.6 strikeouts per nine innings. Ranked third in strikeouts (179), fifth in opponent batting average (.243), tied for ninth in wins (14) and 11th in ERA (4.46). ... Ranked 34th among Division II players active in 2023 with 11.6 strikeouts per nine innings.
2023: Made 15 appearances, including 10 starts, and was 6-2 with a 5.83 ERA. In 58 2/3 innings allowed 63 hits while walking 22 and striking out a team-high 74. ... His 11.35 strikeouts per nine innings was the third-best in a single season in program history (his 11.94 in 2022 ranks second). Tied for seventh in program history with 70 strikeouts for the season (his 69 strikeouts in 2022 is tied for 11th). ... Second in the RMAC and 34th in Division II in strikeouts per nine innings. Third in the RMAC in strikeouts (74), and second in strikeout-to-walk ratio (3.2). ... Struck out a season-high 11 while winning his fourth straight start, a 9-2 victory over Adams State in the first game of an April 15 doubleheader. Allowed two runs on six hits in the seven-inning outing. ... Improved to 4-1 with strong eight-inning outing against CSU Pueblo in the first game of an April 1 doubleheader, allowing one run on four hits with no walks and six strikeouts in the 4-3 win. ... Struck out 10 in six innings, allowing one run on three hits, while taking a no-decision in a 4-3 loss to UCCS on March 17. ... Working out of the bullpen for his first four appearances of the season, didn’t allow a run in eight innings, yielding just two hits and three walks while striking out 17. ... Dominated again in 3 1/3 relief innings during 6-5 loss at Pittsburg State (Kan.) on Feb. 18, allowing just one hit and no runs while striking out seven. ... Earned a second relief victory, working two scoreless, one-hit innings, striking out four, in a 15-4 victory at Biola (Calif.) in the second game of a Feb. 10 doubleheader. ... In his first appearance in 10 months in the Feb. 3 season opener, dazzled with two scoreless innings of relief, striking out five of the six batters he faced and picking up the victory in a 6-1 win over Northwestern Oklahoma State. Also struck out the only batter he faced two days later in an 11-6 win. He earned RMAC Pitcher of the Week honors.
2022: Was putting together an historic season, but did not pitch after April 8 due to injury. ... Ranked 33rd in Division II in strikeouts per nine innings (11.9), and 34th in strikeout-to-walk ratio (5.3) before no longer meeting the minimum inning requirement after the RMAC Tournament. Also led RMAC pitchers in fewest hits per nine innings (7.8), and was second in ERA (3.63) and strikeouts per nine innings, and was fifth in strikeout-to-walk ratio. He still finished fifth in the RMAC and 178th in Division II in strikeouts (69). .... Second-best performance in program history for single-season strikeouts per nine innings, and tied for 10th on the single-season strikeout list with 69. ... Finished 5-3 in nine games, all starts, with a 3.63 ERA. ... Allowed 24 runs, 21 earned on 45 hits in 52 innings. ... Held opponents to a .230 batting average while compiling a 1.12 WHIP. ... Walked only 13. ... Struck out eight in 4 2/3 innings against Nos. 6 and 7 Colorado Mesa in the opener of a four-game series on April 8, including six of nine hitters at one point. ... Saddled with the loss April 1 at CSU-Pueblo, despite taking a two-hit shutout into the seventh inning. ... Improved to 5-2 with the victory in 25-6 win at UCCS on March 25, allowing four runs (three earned) in five innings, with no walks and seven strikeouts. ... Turned in stellar, nine-inning complete-game win over No. 13 Colorado School of Mines in the opener of a four-game series on March 4, allowing one run on five hits, with one walk and 10 strikeouts, in the 12-1 win. Extended his scoreless-inning streak to 15 1/3 before yielding a two-out run in the second inning. ... Pitched five shutout, four-hit innings for the win against Sioux Falls (S.D.) in the first game of a Feb. 26 doubleheader. Walked two and struck out seven in the 10-3 victory. ... Dominated in a seven-inning, complete-game, one-hit, 12-strikeout shutout of Emporia State (Kan.) in the first game of a Feb. 20 doubleheader, allowing only a second-inning infield single and two walks in the 7-0 victory. Named RMAC Pitcher of the Week for his performance. ... Earned his first win of the season Feb. 11 against Central Oklahoma, allowing one run on four hits while striking out eight in a 12-2 victory. ... Opened the season with a career-high nine strikeouts in an 8-6 loss to Minot State (N.D.) in the second game of a Feb. 5 doubleheader.
2021: RMAC Co-Freshman Pitcher of the Year ... Excelled as both a starter and reliever while going 3-2 with a 3.14 ERA in 11 games, including three starts. ... In 28 2/3 innings, allowing 12 runs (10 earned) on 22 hits, with eight walks and 36 strikeouts. ... Held opponents to a .204 batting average while compiling a 1.05 WHIP. ... Struck out 11.3 batters per nine innings. ... Plugged back into the starting rotation in the second game of an April 18 doubleheader against Adams State, he got the win with four innings of work, allowing one run on two hits with two walks and five strikeouts. ... Quelled the red-hot offense of No. 1 Colorado Mesa in a three-inning relief outing April 11, allowing one run (on a homer) and one hit while walking two and striking out one. ... Struck out the side in a perfect top of the ninth inning against UCCS in the April 1 series opener and got the win on Jake Barber’s walkoff homer in the bottom of the ninth. ... Has 25 strikeouts while walking only three in 19 innings. ... Had a 1.20 ERA in 15 innings through March 20 and was one inning short of qualifying for a share of the RMAC lead in ERA. ... Posted a quality start of six innings, allowing one run on four hits, while striking out five on March 20 against New Mexico Highlands, earning his first career win. ... Made his first career start against CSU-Pueblo in the second game of a doubleheader and was the tough-luck loser after allowing one run on five hits in five innings, walking one and striking out four. ... Dominated in a three-inning relief outing March 6 against Colorado School of Mines, earning the save while striking out eight and allowing only one hit, no walks and one run (unearned). ... Made his MSU Denver debut on Feb. 20 in the first game of a doubleheader against Fort Hays State (Kan.), retiring all three batters he faced in the ninth inning, striking out two, to close out a 16-8 win.
2020: Did not appear in a game.
High School: Wheat Ridge High School, class of 2019. ... All-state first team selection. ... Three-time All-Jeffco League first team. ... Went 9-0 with an 0.75 ERA and 109 strikeouts in 65 2/3 innings as a senior, helping the Farmers to the Class 4A state tournament while holding opponents to a .152 batting average. ... Career totals: 19-6, 2.44 ERA, with 187 strikeouts in 160 1/3 innings. ... Was 6-3 with a 1.74 ERA as a sophomore, striking out 47 in 48 1/3 innings. ... As a hitter, compiled a .351 average (26-for-74) with 25 RBIs in 27 games as a senior, with a .441 on-base percentage and and an .846 OPS. ... For his career, hit .306 (44-for-144) with 37 RBIs in 63 games. ... Coached by Adam Miller.
Club: Played club ball for the Rough Riders in Superior, Colo. ... Coached by Chad Povich.
Personal: Born Aaron Reichle Arcilise. ... Birthday is Oct. 21. ... Son of Andrew and Laura Arcilise. ... Has a brother, Noah. ... Majoring in business, with a minor in psychology.
