Rays vs. Mariners May 5 Betting: Will runs be hard to come by in Seattle?

Eddie Griffin

After taking two of three at home against the Seattle Mariners last week, the Tampa Bay Rays will look to continue their winning ways against the M’s tonight as they open a four-game set in Seattle.

In last week’s series in St. Pete, the Rays didn’t have to face Robbie Ray, who they faced six times last season in his AL Cy Young Award-winning campaign for the Toronto Blue Jays. But they will have to try to solve him tonight, with the Mariners tasked with doing the same with Shane McClanahan, who they didn’t see last week.

After a rough nine-game road trip, the Mariners will be glad to be back at T-Mobile Park. But will they have a winning return tonight, or will the Rays follow up a road sweep of the Oakland A’s with their sixth straight road win? Read on for our Rays vs. Mariners prediction and picks for tonight’s matchup.

Tampa Bay Rays vs. Seattle Mariners May 5 Betting Odds and Matchup Information

Matchup Information

  • Matchup: Tampa Bay Rays (15-10, 3rd in the AL East) vs. Seattle Mariners (12-13, 3rd in the AL West)
  • Venue & Location: T-Mobile Park (Seattle, Washington)
  • Date: Thursday, May 5, 2022
  • Time: 9:40 p.m. Eastern Time (6:40 p.m. local time)
  • How to Watch Today’s Rays vs. Mariners Game: Bally Sports Sun (Rays), ROOT SPORTS Northwest (Mariners), MLB Extra Innings (subscription package)

Rays vs. Mariners Probable Starting Pitchers for May 5

  • Tampa Bay Rays: Shane McClanahan (2022: 5 starts, 1-2, 3.00 ERA)
  • Seattle Mariners: Robbie Ray (2022: 5 starts, 2-2, 4.15 ERA)

Rays vs. Mariners May 5 Betting Odds

Odds are via FanDuel.


  • Tampa Bay Rays -138
  • Seattle Mariners +118


  • OVER 7 (-104)
  • UNDER 7 (-118)

Run Line

  • Tampa Bay Rays -1.5 (+126)
  • Seattle Mariners +1.5 (-152)

McClanahan, Ray Both Seek Better Run Support

In his Mariners debut last month, Ray was outstanding, allowing just one run in seven innings to lead Seattle over Minnesota.

Since then, however, he has won only one of four starts. He hasn’t had another excellent outing, as he has allowed at least two runs in each start and has topped out at 6.1 innings.

But he could also benefit from a little more run support as well. In Ray’s five starts, the Mariners have scored only 18 runs.

Last Saturday, the three runs he allowed in the fifth inning were the only runs that the Miami Marlins managed all game. But Seattle’s bats tallied just a third-inning run against Jesus Luzardo and the Marlins bullpen.

McClanahan, who is tied for second in the majors in strikeouts with 42, is getting even less support. In his five starts, the Rays have just a dozen runs. Five came in his lone win of the season thus far, a 5-2 win over the Boston Red Sox on April 24. In the other four games, the Rays have been held to two runs three times and one run once.

Our sourced Rays vs. Mariners picks favor the over tonight, but the odds are not promising for the Rays to find success against Ray. Last season, he posted a 2.33 ERA in six starts against the Rays. Five starts were quality starts, and he went at least seven innings and allowed two or fewer runs four times.

Robbie Ray vs. the Rays in 2021

  • April 24 (no decision – 5-3 road loss): 6 IP, 6 H, 3 R, 9 K (no walks)
  • May 22 (no-decision – 3-1 home loss): 7 IP, 5 H, 1 R, 7 K (no walks)
  • July 4 (loss – 5-1 home loss): 7 IP, 5 H, 2 R, 2 BB, 6 K
  • July 11 (win – 3-1 road win): 7 shutout IP, 1 H, 1 BB, 11 K
  • September 15 (win – 6-3 home win): 7 IP, 4 H, 1 R, 13 K (no walks)
  • September 20 (loss – 6-4 road loss): 4.2 IP, 7 H, 3 R, 2 BB, 5 K

Will things change for Seattle tonight? In their just-completed 2-7 road swing, they scored 27 runs, with 21 of those runs coming in three games.

However, in their nine home games this season, the Mariners have scored 56 runs, an average of 6.2 runs per game. By contrast, they have scored just 48 runs in 16 road games, an average of three per game.

Rays vs. Mariners Prediction and Picks

Rays vs. Mariners Prediction: Mariners to win

Rays vs. Mariners Picks: Mariners ML (+118 at FanDuel) and UNDER 7 (-118 at FanDuel)

While the Mariners sorely need to pick things up on the road–where they are currently just 5-11–they want to make a serious run at the MLB playoffs this season, they just need to keep doing what they are doing at home, where they are 7-2 thus far.

That includes a series win over the Houston Astros, who, like the Rays, have a winning road record. Seattle is 2-1 as a home underdog so far this season, which is a small sample size at this point, but look for both Ray and the bats to blow off some steam in front of the home crowd tonight.

While backing the Mariners to win goes against the public betting percentage for this one–over 60 percent of the public are on the Rays in this spot–backing the under is in line with the public. Over 60 percent of bettors expecting runs to be at a premium tonight in the Emerald City.

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