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Sean O'Sullivan

Sean Daniel O'Sullivan

Position: Pitcher
Bats: Right, Throws: Right
Height: 6' 1", Weight: 245 lb.

Born: September 1, 1987 in San Diego, CA
High School: Valhalla HS (El Cajon, CA)
School: Grossmont College (El Cajon, CA)
by the Los Angeles Angels of Anaheim in the 3rd round of the 2005 amateur draft.
Signed May 29, 2006. (All Transactions)
Debut: June 16, 2009 (Age 21.288, 17,183rd in MLB history)   vs. SFG 7.0 IP, 5 H, 5 SO, 1 BB, 1 ER, W
Rookie Status: Exceeded rookie limits during 2009 season [*]
Teams (by GP): Royals/Angels/Phillies/Padres/RedSox 2009-2016
2016 Contract Status: Pre-Arb Eligible (details) [*]
Service Time (01/2016): 2.081, Arb Eligible: 2017, Free Agent: 2020 [*],
    About biographical information

Career Home Runs

Sean O'Sullivan: 0 Career Home Runs

0 leading off, 0 walk-off, 0 tying, 0 go ahead (For more accurate walk-off HR totals, see the Batting Event Finder)
0 Tms
0 Opps
0 Pitchers
0 Parks
Where Hit
General field locations
when available.
Game Totals
Gms w/ this # = 0
are not shown.
Before event,
for batter

Play By Play

View Pitches · WE and WPA Explanation

This player has not hit any home runs.

About the SABR Home Run Encyclopedia

Much of the data on's Home Run Logs comes from the Tattersall/McConnell Home Run Log, a database of all homers hit in the major leagues since 1876. This project was begun in the 1940's by John C. Tattersall and was continued after Tattersall's death in 1981 by Bob McConnell, one of SABR's original 16 members. David Vincent, another SABR member, has since assumed the leadership of the project. has licensed this remarkable database from the Society for American Baseball Research. All credit for the data therein goes to the intrepid researchers who digitized this data from archival sources.

For years from 1913 to 2016, RetroSheet play-by-play data has been used whenever the home run occurred in a game for which we have complete play-by-play data.

There are a handful of cases where the home run logs totals do not agree with the totals on our player pages. We are working to reconcile all of those differences, but believe that in all cases the Home Run Encyclopedia is correct.