Billy O’Connell Baseball INC.

Please visit the menu above for additional information and registration forms.

Extra Bases Baseball Clinic is a youth baseball clinic specifically designed for the development of Braintree and Walpole Little League players between the ages of 8-12.  The Extra Bases Summer Baseball Clinic  prides itself on offering a quality instructional practice.


Bill O’Connell, Head Baseball Coach at Braintree High School, and his staff will be conducting their annual (16th year in Walpole and 10th year in Braintree) Little League clinics this coming summer. O’Connell was a 3 sport athlete at Walpole High and then continued his education at the New Hampton School and Springfield College where he was also a 3 sport athlete. He also played for the Chatham A’s in the Cape Cod Baseball League.

O’Connell has enjoyed an unprecedented level of success at the helm of the Braintree High School baseball program. The Wamps (22-3) enjoyed their finest season in 2015 finishing the regular season with an 18-2 mark and then topped off the year by winning the Massachusetts Super 8 baseball state title at Campanelli Stadium.

Coach O’Connell’s Braintree High School Wamps won the MIAA Super 8 State Championship AGAIN in 2016!  This is back to back MIAA D1A baseball Super 8 State Championships!  Coach O’Connell was selected as the Boston Globe coach of the year in 2016.

Under his guidance in 11 seasons, the Wamps have qualified for the State Tournament each year, have won 6 Bay State League Championships, and have been selected to participated in the Super 8 baseball tournament in three consecutive seasons. (2014,2015,2016) O’Connell was selected by two media outlets, ESPN Boston and the Boston Globe, as the 2015 Coach of the Year.  He was also selected by the Mass Baseball Coaches Association to Head Coach the Eastern Mass Senior All Star game.

O’Connell has enjoyed the privilege of coaching 1 major league draft pick, 6 Division 1 baseball scholarship players and 41 Division 2/3 baseball commits in his 11 seasons at the helm.  He has had 5 Bay State Carey MVPs, 2 Super 8 MVPs, 8 Espn Boston All State players and a Espn Boston Mr. Baseball player of the year in 2016.

O’Connell is also the associate head coach and offensive co-ordinator for the Walpole High School Football team.

Clinic Staff

Adult supervision and coaching will be the trademark of this program.  Our coaching staff is selected to ensure the highest quality of instruction.  Our staff is made up of former professional and college baseball players as well has current high school coaches from Braintree and Walpole high school.

Clinic Information

(see daily schedule in tab above)

Daily, individual skills instruction include: throwing and catching, ground ball techniques, batting lectures and drills, pitching, outfield, catching and middle infield stations, rundown execution, proper base running and slide drills.

Each day will provide a lunch break and a special event period competing for daily baseball-related prizes. The snack shack will be open for food purchase during the lunch break.  The last hour of each day will conclude with an organized game.

FOLLOW US ON TWITTER: @extrabases12

Johnny Adams, Boston College SS and Cape Cod League Harwich MVP was a 5 year member  of the Extra Bases Clinic!!!


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