What's next for Marcum? The 25-year-old right-hander has been the team's most effective starter since his inclusion in the rotation on May 19, when he held the Phillies hitless for six innings.
Before Saturday, Marcum had lowered his ERA from 6.06 to 2.86 in his time as a starter. Including the shelling by Cleveland, Marcum has held batters to a .221 average, striking out 68 in 82 innings.
If he cuts down on long balls and manages to repeat recent history (he has fared well against his Friday opponent), Marcum can return to the fast track against the mighty Red Sox.
TOR: RHP Shaun Marcum (4-3, 3.62 ERA)
Marcum has allowed just nine hits and three earned runs in 15 innings against the Red Sox, mostly as a reliever. In his one start against Boston, on Sept. 25, 2006, Marcum shut out the Sox for eight dominant innings, allowing two hits and striking out 10. He has never started at Fenway Park.
BOS: RHP Julian Tavarez (5-7, 4.97 ERA)
Like Marcum, Tavarez has been a Jekyll-and-Hyde figure in recent weeks. Like Marcum, the 34-year-old Red Sox starter solidified his spot in the rotation by pitching brilliantly through late May and June. And like Marcum, Tavarez was shelled by the Tigers in his last outing. Tavarez has a 4.57 ERA against the Blue Jays in 43 1/3 career innings.
Players to watch
Outfielders Vernon Wells and Alex Rios have thrived against Tavarez, combining to bat .600 (15-for-25) with six extra-base hits against him, two of them home runs.
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Official game notes
Saturday: Blue Jays (Dustin McGowan, 5-4, 4.65) at Red Sox (Daisuke Matsuzaka, 10-6, 3.84), 7:05 p.m. ET
Sunday: Blue Jays (Jesse Litsch, 1-3, 4.74) at Red Sox (Josh Beckett, 12-2, 3.44), 2:05 p.m. ET
Monday: Blue Jays (Josh Towers, 4-5, 5.07) at Yankees (Kei Igawa, 2-2, 7.14), 7:05 p.m. ET