Hisashi Iwakuma (7-3, 4.03 ERA) and Chad Bettis (6-5, 4.95 ERA) are on the hill in the first of a three-game series between the Seattle Mariners (68-73) and the Colorado Rockies (58-82) at Safeco Field. Action begins at 10:10 p.m. ET on Friday, Sep. 11 and can be seen on RTRM and RTNW.

Iwakuma pitched 6.1 innings in his last outing, surrendering one run, striking out three and walking one in a 3-2 win over the Athletics. Nelson Cruz (.312, 79 Rs, 40 HRs, 84 RBIs, 3 SBs) continued his strong play yesterday, going 2 for 4 with two runs, one home run, and two RBIs. Bettis went 4.1 innings, surrendering four runs, striking out one and walking one in a 7-3 defeat to the Giants in his most recent start. Nolan Arenado (.288, 85 Rs, 38 HRs, 108 RBIs, 1 SB) went 1 for 4 yesterday with one run, one home run, and one RBI.

Seattle is a -173 favorite against Colorado and the Over/Under (O/U) for this game is sitting at seven runs. The Mariners have an overall money line of -1,286 and a record as the favorite of 39-42. In interleague play, they have had a discouraging season, earning 3-8 and 7-10 records as the favorite and SU respectively. The Mariners have seen an uptick in scoring as of late, averaging 5.7 runs during the last 10 games compared to their season average of 4.0 runs per game.

Over in the other dugout, Colorado is coming in with an overall money line of -1,653 and a disappointing record of 40-62 as the underdog. They played poorly as the underdog over their last 10 games with a 1-5 record, and a 4-6 record SU. Offensively, they average 4.5 runs per game, which is tops in the NL. The Rockies allow 5.3 runs per game, but does worse whenever an AL opponent is on the schedule. They bring that runs allowed average up to 6.5 against teams from the AL.

The Mariners lead the season series, 2-1. The Mariners have a 48-46 record against right-handed starting pitchers on the year, which is what they'll be facing when Bettis takes the mound. Iwakuma (RHP) will be on the hill against the Rockies, who have a 52-59 record against right-handed starting pitchers.

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

Notes

The Rockies won their last game by a one-run margin. In games decided by one run, the Mariners are 27-22. The Rockies are 18-21 in close games this season.

When leading after 7 innings, Colorado is 27-36, while Seattle is 22-33.

The Rockies are coming off of a hot pitching game where they recorded 14 strikeouts. The Mariners have a record of 3-6 when they are struck out that many times or more.

When they outhit their opponents, the Mariners are 43-20. The Rockies have a 43-15 record when outhitting opponents.

Ranking 21st in runs, Seattle has earned 566 this season. Colorado ranks fourth with 629 runs.

Ranking 26th, Colorado is near the bottom of the league in walks, notching 329 this season. Seattle ranks in the top half at 12th with 413.

The Mariners are 58-42 when they hit at least one home run. The Rockies perform similarly when they hit one or more homers with a 49-48 record.