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Barcelona will turn its focus to the field after a tumultuous offseason as they host Rayo Vallecano on Saturday in the 2022-23 Spanish La Liga season opener for both teams. Barca went on a lavish spending spree during the transfer window, spending an estimated $168 million that was the most in the world. However, the team's debt and the appearance that it is mortgaging its future has kept the team from registering many of its new stars. They include Robert Lewandowski, one of the world's elite strikers, along with key additions Rapinha, Jules Kounde and Andreas Christensen. The team is confident they will be eligible to play Saturday, but the Blaugranes finished second in La Liga without them last season, so it would appear that it shouldn't matter. However, Rayo Vallecano won both meetings between these teams last season, both by 1-0 scores, before finishing 12th in the final La Liga table.

Kickoff at Camp Nou is set for 3 p.m. ET. Caesars Sportsbook lists Barcelona as the -440 favorite (risk $440 to win $100) on the 90-minute money line in its latest Barcelona vs. Rayo Vallecano odds. Rayo Vallecano is a +1300 underdog, a 90-minute draw is priced at +500 and the over/under for total goals scored is set at 3.5. Before you lock in your Rayo Vallecano vs. Barcelona picks, be sure you check out the 2022-23 Spanish La Liga predictions from renowned soccer bettor Jon "Buckets" Eimer.

Eimer is a high-volume bettor who has vast knowledge of leagues and players across the globe. Since joining SportsLine, Eimer has covered the English Premier League, Serie A, the FA Cup and much more. He is 204-187-7 on his SportsLine picks in 2022, which includes a run of 51-34-1 on his last 86 picks (59.3 percent) for a profit of more than $900 for $100 bettors.

Now, Eimer has taken a close look at Barcelona vs. Rayo Vallecano from all sides and just locked in his picks and La Liga predictions. You can head to SportsLine now to see his picks. Here are the betting lines and trends for Rayo Vallecano vs. Barcelona:

  • Barcelona vs. Rayo Vallecano spread: Barcelona -1.5 (-150)
  • Barcelona vs. Rayo Vallecano over/under: 3.5 goals 
  • Barcelona vs. Rayo Vallecano money line: Barcelona -440, Rayo Vallecano +1300, Draw +500
  • BAR: Robert Lewandowski averages 0.86 goals per 90 minutes in his career 
  • RV: Radamel Falcao has scored 222 club goals over an 18-year career 
  • Barcelona vs. Rayo Vallecano picks: See picks here.

Why you should back Barcelona

Manager Xavi made a huge impact on a floundering team after he took over in November. The Blaugranes were 4-5-3 at the time and went 17-5-4 over the remaining games. Now, the former Barca player, considered one of the best midfielders of all-time, has had a full offseason to get a handle on the best tactics to fit his players. He has far superior players to Vallecano, even without the transfers, and will be eager to start on a high note. Barca scored 37 of its 68 goals last season at Camp Nou, while Los Franjirrojos scored just 13 of their 39 away from home.

Memphis Depay (12 goals last season) and Pierre-Emerick Aubameyang (11) can lead the attack if Lewandowski isn't cleared in time. But the former Bayern Munich star, who scored 110 goals over the past three seasons, would be more than welcome. Kounde and Christensen will transform a back line that had its share of issues in 2021-22. If they aren't ready, goalkeeper Marc-Andre ter Stegen will still be tough to beat. The German had 11 clean sheets last season. Vallecano managed three shots at Camp Nou last season, scoring on the only one on target.

Why you should back Rayo Vallecano

Sweeping the season series last year should certainly give Los Franjirrojos plenty of confidence coming into the game. Barcelona was also very vulnerable in the back last season. Alvaro Garcia (seven goals last season) and Radamel Falcao (six) could make Barca's backline pay for any mistakes. Falcao scored the lone goal in the first meeting last season. He has played for the likes of Porto, Atletico Madrid and Manchester United during his long career.

The attackers can count on midfielder Oscar Trejo, who had nine assists last season, to put them in position to succeed. Goalkeeper Stole Dimitrievski had a 74.1 save percentage, the sixth-best mark in La Liga, and nine clean sheets in 2021-22. Rayo Vallecano will be out to improve on its showing last season, its first top-flight campaign since 2018-19. It got off to a very promising start, going 9-3-6 before a long skid. Now it comes in after losing just once in a six-game preseason that included a 0-0 draw with Manchester United at Old Trafford on July 31.

How to make Barcelona vs. Rayo Vallecano picks

Eimer has analyzed Saturday's La Liga opener from every angle. He is going under on the goal total and has provided two other confident best bets and his full breakdown of the match. He's only sharing those La Liga picks here.

So who wins Rayo Vallecano vs. Barcelona? And where does all the betting value lie? Visit SportsLine now to see the best bets for Barcelona vs. Rayo Vallecano, all from the soccer expert who is up more than $900 on his recent picks and has his finger on the pulse of the game all over the world, and find out.