2025 - Junior Season - Remained one of the region's elite long-stick midfielders while helping anchor the defensive unit ... Served as a team captain and ranked 10th in the Coastal Lacrosse Conference with 28 caused turnovers ... Chipped in with at least one takeaway in 16 of his appearances and notched two or more on nine occasions ... Matched his season-high with three strips in the opening bout of the NCAA Tournament against Grove City on May 10 ... Also had three takeaways in league victories over Montclair State on March 29 and Mary Washington on April 16 ... Was stellar throughout the postseason, including a caused turnover against No. 16 Lynchburg in the Sweet 16 on May 11 and two strips against No. 8 Bowdoin in the NCAA Quarterfinals on May 17 ... Also had a takeaway in the league championship at No. 2 Salisbury on May 4 while earning a spot on the CLC All-Tournament Team for his performance ... Came through with multiple caused turnovers in four contests against nationally-ranked competition ... Forced a pair of miscues against No. 8 Gettysburg on the opening day of the Mustang Classic on March 14 ... Returned with two more takeaways against No. 1 Tufts on March 20 and No. 10 Washington and Lee on March 31 ... Also matched his season-high with five ground balls against the top-ranked Ephs ... Grabbed 41 total ground balls during the year, which placed him fifth on the team and first among defensive midfielders ... Had five rollers in a win at No. 18 Stevenson on February 22 ... Collected three to go along with a pair of caused turnovers in the opener at Hampden-Sydney on February 8 ... Made an impact on the offensive end as well after registering five points, including four goals ... Tallied a goal and an assist to go along with two caused turnovers and four ground balls against Grove City on March 1 ... Landed a rocket in a top-20 clash against No. 16 Lynchburg on March 15 ... Found the back of the net in battles with Adrian on February 15 and Stockton on April 19 as well ... Uncorked 10 total shots, including five on-target attempts ... Began the year as an Inside Lacrosse Honorable Mention Preseason All-American.
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2024 - Sophomore Season -Â Orchestrated an award-winning campaign as an elite long-stick midfielder ... Garnered second team All-League accolades for his performance during the year ... Ranked fourth in the Coastal Lacrosse Conference with 39 caused turnovers, which also marked the ninth-highest total in school history ... Had at least one takeaway in 18 of his 21 appearances, including two or more on 15 occasions ... Notched at least two strips in all three games during the NCAA Tournament ... Forced three turnovers and added three ground balls in a win over No. 15 Stevens on May 12 ... Also had two takeaways against Cabrini on May 11 and No. 2 RIT during the national quarterfinals on May 18 ... Dominated during top-20 showdowns throughout the season, including two caused turnovers in three straight outings against No. 4 Dickinson on March 15, No. 10 St. Lawrence on March 16, and No. 13 Lynchburg on March 23 ... Came back with three more strips while adding a goal during a win over No. 10 Washington & Lee on April 27 ... Also contributed a goal and four ground balls against Grove City on March 2 and handed out an assist in the league semifinals against Stockton on May 1 ... Finished the season with three points and six total shots ... Opened the year with three caused turnovers against Berry on February 17 ... Came through with multiple takeaways in five straight battles from April 17 - May 1 ... Added 33 ground balls during the season, including two or more on 11 occasions ... Pocketed at least a pair of rollers in each of his final four appearances, including three during the league championship at No. 1 Salisbury on May 5 ... Also won his lone faceoff of the year during the title bout with the Sea Gulls ... Secured two ground balls and a takeaway during a regular season battle with Salisbury on April 6 as well.
2023 - Freshman Season - Established himself as one of the program's top young defensive standouts while starring as a long-pole specialist during his debut campaign ... Led all first-year competitors with 18 appearances and saw time in each of the squad's six postseason games on the way to the NCAA Semifinals ... Ranked fifth on the team with 12 takeaways, including nine during the playoffs ... Kicked off the postseason with two strips and four ground balls in the Coastal Lacrosse Conference Semifinals against Kean on May 5 ... Added three more rollers in the league championship against No. 2 Salisbury on May 7 ... Named to the Coastal Lacrosse Conference All-Tournament Team for his run through the league playoffs ... Opened the NCAA Tournament with his first collegiate goal after landing a strike in transition against Hope on May 12 ... Had two takeaways in the fourth quarter to headline the team's comeback during a 12-11 overtime triumph against No. 6 Dickinson in the national quarterfinals on May 20 ... Came back with two more caused turnovers and three ground balls at No. 2 Salisbury in the Final Four on May 21 ... Secured at least two rollers in five of the team's six playoff games ... Ranked second on the team with 14 ground balls during the playoffs ... Also had two rollers against Catholic in the regular season on March 4 before forcing two turnovers against Montclair State on March 11 ... Finished the season with 18 total ground balls ... Took part in seven battles against nationally-ranked competition, including a win over No. 1 RIT on March 17.
At Saint John Paul II - Was an award-winning standout on the lacrosse team with the Eagles ... Secured first-team All-State accolades as a senior ... Also was a first-team All-County, All-District, and All-Region performer ... Nominated for the Palm Beach Post All-County Player of the Year Award ... Appeared in 16 games and posted 63 ground balls, 46 takeaways, and three goals as a senior ... Honored as the Team MVP ... Also earned the Hammer, Lunch Pail, and Hoover Awards while being celebrated as the Defenseman of the Year ... Secured three varsity letters as a member of the football team as well.
Personal - Arthur Arnold Rosacker IV is the son of Lori Stofft ... Has two sisters, Gigi Shotorbani and Sophia Rosacker, and a brother, Nicholas Shotorbani ... "Kings Man" is his favorite movie, and steak is his favorite food ... President Donald Trump is the most impressive person he has ever met ... His dream vacation would be a trip to Panama ... Aspires to be successful and financially free ... Majoring in business.
