Justin Masterson (1-0, 7.59 ERA) and Wei-Yin Chen (0-0, 4.35 ERA) take the hill in the last of a four-game series between the Boston Red Sox (7-5) and the Baltimore Orioles (7-5) at Fenway Park. The Orioles won the last game 8-3 and Baltimore leads the series 2-1. Action begins at 11:05 a.m. ET on Monday, Apr. 20 and can be seen on MASN, NESN and MLB Network.

Masterson is 6-6 with a 5.53 ERA in his appearances against the Orioles, and goes up against a quality Baltimore offense which is batting .278 this season. Hanley Ramirez (.255, 9 Rs, 5 HRs, 12 RBIs) kept up his hot start yesterday, going 2 for 4 with one run, one home run, and three RBIs. Chen is 5-3 with a 4.24 ERA against the Red Sox in his career. He is up against a below-average Boston offense that's batting just .239. Adam Jones (.457, 12 Rs, 5 HRs, 16 RBIs) has been successful at the plate to the start the season for the Orioles, going 4 for 5 yesterday with one run, one home run, and five RBIs.

Boston is a -133 favorite against Baltimore and the Over/Under (O/U) for this game is sitting at eight runs. The Red Sox have an overall money line of +216 and a record as the favorite of 4-3. Within its division, Boston has a 1-1 record as favorite and a 3-2 record SU. The Red Sox have seen a decline in scoring against teams inside their division, averaging 4.4 runs per game. They average 5.5 runs per game on the season. Boston leads the whole AL in walks, earning an average of 4.6 per game. Boston's pitchers fall apart when division rivals are on the field. Its average runs allowed per game rises to 5.8 against fellow AL East members, compared to its 5.1 season average. Opponents have consistently been struck out by the Red Sox, who rank third in the AL in strikeouts per game with 8.7.

In games where it is the underdog, Baltimore has a 2-2 record and an overall money line of +94. They are 2-2 as the underdog against AL East foes, and 6-5 SU.

The Orioles lead the season series, 2-1. Masterson (RHP) will be on the hill against the Orioles, who have a 5-4 record against right-handed starting pitchers.

Predictions: SU Winner - BOS, O/U - Over


This season, the Red Sox hold an even 3-3 record against AL East teams. The Orioles sit at 7-5 against these opponents.

The Red Sox are 1-0 when they go into extra innings.

The Orioles managed to give up four walks in their last game. They'll have to pick it up against the Red Sox who are heading in with a 6-2 record against opponents who give up that many walks or more.

When they are outhit, the Orioles are 0-3. The Red Sox have a 1-5 record when opponents outhit them.

Baltimore tops the league in home runs with 19 this season. Boston ranks in the top 10 at ninth with 13.

Boston and Baltimore both rank in the top five of the league in hits. Boston sits at fourth with 9.09 hits per game and Baltimore ranks fifth with 8.91.

Ranking 14th, Boston is in the top half of the league for its on-base plus slugging percentage (.691). Baltimore ranks in the top five at fourth with an OPS of .809.

When the Orioles allow at least one home run, they are 4-3. When the Red Sox allow one or more homers, they have a 4-5 record.