Team Details

Baseball - JV Boys


Sub-varsity teams are more developmental in nature and playing on a team offers not only a chance to enjoy the sport, but also a valuable participatory experience for each athlete. This applies to all team members from standouts to substitutes who play a supporting role. In keeping with the Thayer philosophy that athletics are an integral part of a student’s curriculum, students should plan their participation with the help of their advisors – this discussion will help everyone gain a better understanding of each child’s overall school program. All sub-varsity participants are expected to receive fairly equal playing time over the course of the entire season. All team information is available via

Students at Thayer are privileged to be a part of the Independent School League (ISL). This collection of 16 schools shares the highest ideals for school sports and competes in almost every sport Thayer offers. In addition to the ISL opponents, we schedule contests against other members of the New England Prep School Athletic Council (NEPSAC).


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# Name Position Class Hometown
2 Brennan Burke OF 2020 Hingham, MA
3 Alex Chaisson OF 2020 Scituate, MA
11 Finnian Doherty C 2019 Cohasset, MA
25 Richard Foresteire III C/3rd 2021 Plymouth, MA
9 Mason Hennessey OF 2020 South Weymouth, MA
16 Sam Hess IF 2021 Cohasset, MA
19 Griffin Lincoln INF/P 2020 Canton, MA
4 Donovan Mannion OF 2019 Dorchester, MA
6 David Romaine INF 2021 Braintree, MA
Ryan St. Clair P/1B 2020 Weymouth, MA
22 Grant St. Jean INF/P 2020 Duxbury, MA
21 Evan Vieira SS/3rd 2021 Hull, MA
1 Jack Wipf IF 2021 Cohasset, MA

Coach Info

  • William O'Dwyer
    Head Coach
    William O'Dwyer '02 came back to Thayer in the Fall of 2006 after majoring in Elementary Education and Mathematics/Computer Science at Boston College. He was hired to be one of the four core teachers in the sixth grade.  William currently teaches four sections of Mathematics in the Upper School. He is also an advisor to nine students in the freshmen class.  In addition to teaching, William is the head coach of two sports: Girls Varsity Basketball and JV Baseball.  After school, William also teaches the Math ISEE prep class for students applying to independent schools in Grades 6-8.
  • Kenneth Burke
    Assistant Coach
  • Brad Peterson
    Assistant Coach

    Brad joins the Athletics Department in August 2018 after spending the last two years working in Alumni Relations at Thayer. He graduated from Thayer in 2011 where he was the captain of the Varsity Hockey and Varsity Baseball programs as well as the recipient of the Thomas J. Berry III Leadership Award. After Thayer, Brad attended Providence College, where he earned a B.S. in Finance in 2015. He played an integral part in starting the Providence College Club Hockey Program, in which he was named Team Captain and Club President. Brad is the oldest of three brothers: Ryan '14 and Kyle '16. He resides in South Boston.