Western Michigan University Athletics

2021: Made 19 appearances on the mound with one start ... led the Broncos in appearances and victories ... recorded a 6-1 record with a 4.30 ERA ... pitched 52.1 innings, allowing 25 earned runs on 46 hits with 46 strikeouts ... went 4.0 innings in seven appearances ... posted a career-high seven strikeouts in 4.1 innings of work at Toledo (4/30) ... in only start, threw 5.2 innings allowing one earned run on three hits with six strikeouts vs. Eastern Michigan (3/29) ... in final appearance, threw 3.0 innings, allowing one earned run on four hits with three strikeouts vs. Ohio (5/30)

2020: Made six appearances ... recorded a 1-0 record with a 7.71 ERA in 9.1 innings with 12 strikeouts ... pitched over two innings in three of the six appearance ... went 2.0 innings, allowing no runs on two hits with a season-high four strikeouts at USC (2/16) ... pitched 2.2 innings, allowing one earned run on three hits with three strikeouts vs. Villanova (3/3) ... season canceled after 15 games due to COVID-19 pandemic. 

2019: Made 28 appearances ... the 28 appearances is the third most in a single-season in school history ... led the team with four saves and posted a 3-4 record with a 4.50 ERA ... in 50.0 innings of work, allowed 25 runs on 63 hits ... posted a career-high five strikeouts in 2.2 innings of work at Central Michigan (4/26) ... pitched a career-high 4.2 innings, allowing no runs on 11 hits with four strikeouts vs. Northern Illinois ... recorded at least one strikeout in 18 of his 28 appearances ... during the month of April, made 10 appearances registering 21 strikeouts

2018: Did Not Play ... earned the WMU Coaches Award

2017: Received the WMU Coaches Award ... did not play in the 2017 season.

2016: Did not play. 

High School: Three-sport athlete at Notre Dame Prep, earning letters in swimming, football and baseball… helped team to a district championship in 2014… two-time all-league selection in 2015 and 2013… named to the East-West All-Star game in 2015… earned all-state, all-region, all-district and Catholic league honors as a junior in 2014… set the 200m Individual Medley record as a freshmen swimmer in 2012.

Personal: Born August 25, 1997… full name is William Hamilton Mullen… has two siblings, Kaleigh and Patrick… son of Mark and Meghan Mullen.