Jon Gray (0-0, 6.00 ERA) and Chase Anderson (6-5, 4.22 ERA) start in the last of a four-game series between the Colorado Rockies (53-78) and the Arizona Diamondbacks (65-68) at Coors Field. The Diamondbacks won the last game 5-3 and Arizona leads the series 2-1. Action begins at 8:40 p.m. ET on Wednesday, Sep. 2 and can be seen on RTRM and FSAZ.

Gray pitched 4.1 innings in his last outing, surrendering three runs, striking out six and walking two in a 5-3 defeat to the Pirates. Nolan Arenado (.280, 77 Rs, 32 HRs, 98 RBIs, 1 SB) had another good game yesterday, going 3 for 4 with two runs, one home run, and two RBIs. Anderson went 6.0 innings, surrendering two runs, striking out three and walking one in a 6-4 defeat to the Athletics in his most recent start. Paul Goldschmidt (.322, 85 Rs, 27 HRs, 97 RBIs, 21 SBs) went 1 for 5 yesterday with one run, one home run, and one RBI.

Colorado is a slim -110 favorite at home against Arizona. The matchup has an estimated Over/Under (O/U) of 10 runs. The Rockies have an overall money line of -1,476 and a record as the favorite of 14-19. Colorado has gone winless in its last 10 as the favorite. The Rockies have no trouble scoring as they lead the NL in home offense with 5.4 runs per home game. The Rockies are one of the best in the NL in terms of hits with an impressive 9.1 per game. Colorado's pitchers fall apart when division rivals are on the field. Its average runs allowed per game rises to 5.9 against fellow NL West members, compared to its 5.3 season average.

In games where it is the underdog, Arizona has a 37-41 record and an overall money line of -181. They are 15-17 as the underdog against NL West foes, and 24-27 SU. Offensively, they average 4.5 runs per game, which is tops in the NL. The Diamondbacks are tough outs for opponents, leading the NL with 9.3 hits per game. The Diamondbacks are an excellent base stealing team with 113 stolen bases, ranking second in the MLB.

The Diamondbacks lead the season series, 10-5. The Rockies have a 48-55 record against right-handed starting pitchers on the year, which is what they'll be facing when Anderson takes the mound. Gray (RHP) will be on the hill against the Diamondbacks, who have a 49-49 record against right-handed starting pitchers.

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

Notes

The Rockies are struggling at 19-33 in their division, while the Diamondbacks are 26-27.

When leading after 7 innings, Arizona is 26-22, while Colorado is 25-34.

The Diamondbacks are coming into this game after allowing zero walks during their last outing. The Rockies have a 3-12 record when opponents give up that many walks.

When they are outhit, the Rockies are 7-55. The Diamondbacks have a 13-44 record when opponents outhit them.

Ranking 18th in home runs, Arizona has hit 122 this season. Colorado ranks seventh with 151 home runs.

Ranking first in hits, Arizona has earned 9.31 per game this season. Colorado ranks third with 9.14 hits.

Ranking seventh, Arizona is in the top 10 of the league for its on-base plus slugging percentage (.737). Colorado ranks in the top five at third with an OPS of .756.

The Diamondbacks are 33-56 when they allow at least one home run. The Rockies perform similarly when they allow one or more homers with a 27-59 record.