In the NECBL, the Keene roster lists a senior outfielder by the name of Sam Biller as being from UConn. Biller played the last few years with Loyola Marymount, but appears to be transferring to UConn for his last college baseball season.
I think Biller just arrived at Keene, he has not yet played any games for them.
Sam Biller (4) OF - BEFORE LMU CAL POLY SAN LUIS OBISPO 2021 – FRESHMAN Appeared in 45 games with 27 starts…batted .253 with 23 hits and 12 runs scored…had
lmulions.com
By the way, Biller is listed in the D1Baseball.com transfer portal, but they don't have him connected to UConn yet.