Daily Bagel: Radwanska, Cilic top day's upsets in Barcelona, Stuttgart

The Daily Bagel is your dose of the interesting reporting, writing and quipping from around the Internet.

The Daily Bagel is your dose of the interesting reporting, writing and quipping from around the Internet.

• Rafael Nadal started his Barcelona Open campaign with a 6-3, 6-1 win over Nicolas Almagro. Otherwise it was a day of marginal upsets, with Marin Cilic, Jo-WilfriedTsonga, ErnestsGulbis and Nick Kyrgios all losing to lower ranked opposition. 

• Rude homecoming: Sabine Lisicki lost 6-0, 6-0 to Zarina Diyas in Stuttgart and Julie Goerges had three match points but lost 3-6, 6-3, 7-5 to Belinda Bencic. In other upset news from Stuttgart, Sara Errani beat No. 9 AgnieszkaRadwanska 7-6 (8), 6-4 in the first round. 

• Man arrested for court-siding—sending live match data to sports bettors—tells the BBC why it was his dream job. 

• Tennis fans are still having fun with the Fed Cup no-handshake. 

• A must read on the tough scheduling decisions in the ATP minor leagues. 

• Here's an exhausted Andrea Petkovic singing a Serbian lullaby and talking music:

[youtube=https://www.youtube.com/watch?v=kr__RxxQR0w&feature=youtu.be]

• Queen's Club will host Great Britain's Davis Cup quarterfinal against France. 

• Check out SI Tennis' newest podcast. This week's guest: Jack Sock. 

• Get to know 19-year-old Elias Ymer of Sweden. He beat fellow teenager Nick Kyrgios today in Barcelona. He's one to watch. 

• In the same vein, here's your primer on 17-year-old Andrey Rublev, who beat Fernando Verdasco on Tuesday and took Fabio Fognini to three sets on Wednesday. 

• Interesting update on Wayne Odesnik:

If you were wondering: Wayne Odesnik has bounced back from his 15-year drugs ban and already has a new job. He's selling life insurance.

— Ben Rothenberg (@BenRothenberg) April 21, 2015