In 2000 graduated from Manchester High School in Midlothian, Virginia...attended Virginia Commonwealth University...his twin brother Brian was selected by the Red Sox in the fifth round of the June 2003 first-year player draft.
In his only season with the Dodgers went 1-4, 4.74 in 8 starts and 0-1, 5.00 in 22 relief apps...missed the last 2 months of the season because of a torn anterior cruciate ligament in his right knee...suffered the injury while covering first base on 8/1 vs the Cubs...3 days later was transferred to the 60-day disabled list to make room on the roster for RHP Carlos Frias.
Made 16 apps around 2 stints on the disabled list...from 4/10-4/25 was on the 15-day DL with left shoulder tendinitis and from 5/24-9/15 was disabled with a sprained left shoulder...during spring training posted a 2.57era in 7 apps but because of a sore shoulder didn't pitch from 3/23 until his regular season debut on 4/7...after that debut was disabled for the first time...made 10 apps between stints on the DL...after he came off the DL on 9/16, helped the Reds to a Wild Card berth by finishing the season with 5 consecutive hitless apps...overall stranded 11-13 inherited baserunners...faced 3 batters in the fourth inning of the 6-2 Wild Card playoff loss at Pit (1h, 2bb, 1ibb).
In his first season with the Reds led the staff in apps (73) ... produced all of his career-high 9 saves in his first 31 apps through 6/17 ... on 4/26 vs SF allowed a season-high 3 earned runs (1ip) ... in his other 72 apps posted a 2.10era (60ip, 14er) ... didn't allow an earned run in any of his last 15 apps of the season (12ip, 1r) and didn't allow any runs in his last 13 apps (9.1ip, 4h, 3bb, 12k), tying his longest scoreless streak of the year (13g, 7/8-8/7, 11ip) ... produced scoreless innings streaks of 11.2 (7/8-8/9) and 10.1 (9/5-end of season) ... from 5/20-6/9 retired a season-best 15 consecutive batters, a stretch that began with 10 straight hitless apps (5/20-6/7, 7.1ip, 2bb, 8k) ... retired the first batter 52-73 times (71%), stranded 25-34 inherited baserunners (74%) and converted 9-13 save opps (69%) ... on 4/26 vs SF made his 300th Major League appearance ... in the Division Series vs SF threw a perfect seventh inning in Game 1, a perfect eighth in Game 3 and perfect sixth and seventh innings in Game 5.
For the Cubs posted a 2.26 ERA and 5 saves in 78 relief apps,tied for fifth-most in the Major Leagues...established a single-season franchiserecord with 34 holds...held opponents scoreless in 65 of his 78g...allowed just 1homer in 75.2 innings, the fourth-best ratio among all Major League relievers...posted a 0.89era in his final 33 apps of the season, the second-best ERAin the Majors over that span (Jose Valverde, 0.88), and a 0.40era in his last24g...his 4.65 strikeouts-per-walks ratio led all relievers who threw at least75ip...57 times threw at least 1.0 inning and 6 times threw a season-high 2.0innings...led all NL relievers by posting a 0.93era vs Central rivals...posted a2.79era prior to the All-Star break and a 1.60era after the break...over 15 appsfrom 8/10-9/6 produced a career-best 13.2-inning scoreless streak (6h, 1bb, 15k),dropping overall ERA from 2.95 to 2.42.
In his fifth major league campaign, Sean set career highs with 80 games pitched and 90 strikeouts, and tied his career highwith seven victories (also done in 2007). ... Became just the second Cubs lefty to reach 80 games pitched in a year,joining Jeff Fassero - he pitched in 82 games in 2001 ... overall, becamethe eighth Cubs reliever to reach 80 games.w His 80 games pitched ranked tied for fourth-most in the N.L. ... Allowed five earned runs, July 30 at Colorado (0.2 IP), and four earnedruns, August 19 vs. San Diego (0.1 IP) ... taking away those two outings,recorded a 1.59 ERA (13 ER/73.2 IP) in his 78 other appearances. ... Held the opposition scoreless in 66 of his 80 outings. ... Limited batters to a .210 average (58-for-276), including a .196 mark(20-for-102) from left-handed hitters. ... Stranded 34 of 42 inherited runners, including 13-straight from August24 through the end of the season. ... Made a season-high 11-straight appearances without allowing a run, July7-26, spanning 11.1 innings. ... Was 5-2 with a 2.06 ERA (8 ER/35.0 IP) in 38 home games. ... Limited the opposition to a .179 batting average and had a 1.57 ERA (4ER/23.0 IP) in 25 games pitching on no days rest. ... Began season with a 3.86 ERA (4 ER/9.1 IP) in his first nine relief outingsthrough April 21 ... from April 24 through May 29, posted a 0.59ERA (1 ER/15.1 IP) in 17 outings. ... Went 5-1 with a 1.35 ERA (2 ER/13.1 IP) in 14 May relief outings ...became just the sixth reliever in franchise history to compile five wins ina month, and the first since Dick Tidrow was 5-0 in July of 1979. ... Tossed a season-high 2.2-shutout innings April 5, Opening Day, inAtlanta ... struck out a season-high five batters. ... Recorded his lone save of the season, June 7 at Pittsburgh ... tossed 1.2shutout innings and stranded an inherited runner in Chicago's 6-1 win(entered protecting a 4-1 lead in the eighth). ... Pitched in five-straight team games ... tossed 2.0 shutout innings, July10-11 in Los Angeles to close out the first half, then pitched in the firstthree games after the break, July 15-17, against Philadelphia (2.2 IP). ... Ended the campaign with 10-consecutive scoreless outings, totaling 6.1innings pitched, starting September 5.
Sean made 55 appearances, nine starts, in his fourth season with the Cubs ... stranded 33 of 42 inherited runners, including24 of his first 25 through July 18 ... had a 3.23 ERA (14 ER/39.0 IP) in 46 relief outings.... Had a 5.24 ERA (27 ER/46.1 IP) as a starter.... Did not allow a run in 15 July appearances (11.0 IP) after posting a 2.79ERA (3 ER/9.2 IP) in 12 June relief outings.... Logged a 0.71 ERA (1 ER/12.2 IP) in 17 games pitching on no days rest.... Was Chicago's fifth starter out of Spring Training, but did not make hisfirst start until April 16 due to team off days ... made two relief appearancesto start the season prior to his April 16 start.... Made five starts through May 10, going 1-2 with a 4.20 ERA (14ER/30.0 IP), walking nine and striking out 20.... Made three starts, May 21-31, going 1-2 with a 6.28 ERA (10 ER/14.1IP) before moving back to the bullpen.... Recorded his first career complete game, in a rain-shortened, five-inning6-1 victory vs. Pittsburgh, May 26.... From June 12-August 4, posted a 0.48 ERA (1 ER/18.2 IP) in 26 reliefappearances ... included an 11.1-scoreless innings run, July 2-August 4.... Went a season-high seven-consecutive relief appearances withoutissuing a walk, August 29-September 20.
Sean spent a majority of the season with the Cubs, primarily out of the bullpen ... the lefty was 3-5 with a career-best 3.86 ERA(28 ER/65.1 IP) in 34 games for Chicago, including 27 relief appearances.© Began the season in Triple-A Iowa, but was recalled April 9 ... wasoptioned back down May 9 but recalled June 24 for the remainder of theseason.© Produced a 3.42 ERA (10 ER/26.1 IP) out of the bullpen compared to a4.15 ERA (18 ER/39.0 IP) in seven starts. Allowed two or fewer earned runs in four of his final five starts,recording a 3.62 ERA (11 ER/27.1 IP) in that span.© Limited the opposition to a .245 batting average (60-for-245), includinga .269 mark against left-handed hitters.© In 20 road games, was 2-3 with a 3.38 ERA (15 ER/40.0 IP) ... had a4.62 ERA (13 ER/25.1 IP) in 14 outings at Wrigley Field.© Stranded 10 of 15 inherited runners, including seven consecutive fromApril 17-May 2.© Collected his first career major league save April 9 in Pittsburgh, tossinga scoreless 15th inning in Chicago's 6-4 win.© Longest relief outing of the season was a 3.0-inning stint July 26 vs.Florida (1 H, 1 ER, 0 BB, 5 SO, 1 HR).© Earned his first win of the season in his third start, allowing one run in6.0 innings of the Cubs' 7-1 victory, July 6 at St. Louis.© Moved back to the bullpen July 12 and went 1-0 with a 2.31 ERA(3 ER/11.2 IP) in seven relief appearances through August 13 in Atlanta(gm. 2).© With Iowa, went 1-1 with a 3.41 ERA (12 ER/31.2 IP) in seven starts ...surrendered two or fewer earned runs in six of those outings. Was on the seven-day disabled list, May 23-June 9, with lefthamstring strain.© Logged a 2.70 ERA (1 ER/3.1 IP) in two relief appearances against theDodgers in the NLDS.
© Allowed two or fewer earned runs in 14 of his 19 starts.© Recorded quality starts in his first five big league outings of the season,walking two or fewer each game.© Off-season left shoulder rehabilitation limited him to a single spring trainingouting, tossing a scoreless inning March 19 in Maryvale against theBrewers.© Made his first minor league outing with Single-A Daytona April 25 vs.Palm Beach, allowing two earned runs in 6.0 innings of work.© Promoted to Triple-A Iowa April 30 ... went 2-0 with a 1.82 ERA (5ER/24.2 IP) in four starts with the I-Cubs.© In his first big league start of the season, tossed 6.1-scoreless inningsbefore allowing a one-out, game-winning, two-run Kevin Kouzmanoffhome run in Chicago's 2-1 loss May 23 in San Diego ... went on to strikeout a career-high eight in 7.0 innings of work.© Made his most impressive start of the season, earning his fourth win June24 against the White Sox at U.S. Cellular Field ... he tossed 6.1 scorelessinnings allowing five hits while walking one and striking out three inthe Cubs 3-0 victory.© Finished June with a career-high four wins in a month, going 4-1 with a3.82 ERA (14 ER/33.0 IP).© Went 2-3 with a 6.18 ERA (19 ER/27.2 IP) in six starts from August 2-31, before he was moved to the bullpen.© Moved to the bullpen for most of September, going 0-1 with a 3.00 ERA(2 ER/6.0 IP) in three games (one start). Made the first relief appearance of his career September 9 atPittsburgh, working 1.1 scoreless innings. Pitched 2.0 scoreless innings of relief September 29 inCincinnati ... did not allow a hit and struck out three batters.
Marshall, who spent most of last season at Class A Daytona, made the Opening Day roster, and was 2-0 with a 4.22 ERA in April. The rookie picked up his first win April 14 against Pittsburgh, his second start. Marshall was sidelined from late July to early September because of a strained right oblique.
Sean spent the majority of the season at Daytona (A), where he went 4-4 with a 2.74 ERA in 12 starts ... also made four starts for West Tenn (AA), going 0-1 with a 2.52 ERA ... won back-to-back starts for Daytona April 27-May 2, as he allowed 3 runs over 12.0 innings and struck out 11 batters ... the left-hander held opponents to a .246 average in the Florida State League ... allowed more than 2 earnedruns in just four of his starts and was unscored upon in five outings ... lasted 6.0 or more innings in three of his four starts for West Tenn (AA) - and worked a season-high 8.0innings on July 9 against Carolina ... threw his second career complete game, allowing 2 runs on 5 hits over 7.0 innings on June 4 against BrevardCounty ... was named the sixth-best prospect in the Cubs' organization by Baseball America
following the season.
Sean combined to go 4-2 with a 2.90 ERA in 13 starts for Lansing (A) and West Tenn (AA) ... started the season at Lansing and went 2-0 with a 1.11 ERA ... u struck out 51 batters in 48.2 innings and held the opponents to a .172 average,u threw his first career complete-game shutout on May 11 in his final start for the Lugnuts ... allowed 2 hits over 9.0 innings while striking out 9 batters ... after the season, he was selected by Baseball America
as the seventh-best prospect in the Cubs minor leaguesystem.
Spent the majority of his first professional season at Boise (A), going 5-6 with a 2.57 ERA in 14 Northwest League starts ... made one start for Lansing (A) and allowed 1 unearned run over 7.0 innings while striking out 11batters ... selected by Baseball America
as the sixth-best prospect in the Northwest League ... allowed 10 runs (8 earned) in a 1.2 inning-start on August 11 ... in his remaining 13 starts, he allowed 13earned runs over 72.0 innings (1.63 ERA) ... struck out 88 batters in 73.2 innings ... ranked third in the Northwest League in strikeouts, third in strikeouts per 9.0 innings pitched for a starter (10.75) and sixth in ERA.