Happy Tuesday! An uncharacteristic Emerson Hancock start and unfortunate, late-game bullpen meltdown resulted in a 3-6 loss for the Mariners against the Athletics yesterday. Luis Castillo will hope to get the Mariners back in the win column today as he takes the mound at 6:40 PM against Jacob Lopez.

In Mariners news…

• A crazy catch from Julio Rodriguez in the first inning of yesterday’s game prevented a 107.5 MPH hit from Athletics’ first baseman Nick Kurtz.

• ICYMI: Third baseman Brendan Donovan has been placed on the 10-day IL with a left groin muscle strain, and infielder Will Wilson has been selected from Triple-A Tacoma in a corresponding move.

• Catching prospect Luke Stevenson injured his wrist on a slide into second base but will be back in the Everett AquaSox lineup today after missing a few games.

Around the league…

• Los Angeles Dodgers closer Edwin Diaz is set to undergo elbow surgery and is expected to miss multiple months.

• The Boston Red Sox have placed veteran RHP Sonny Gray on the 15-day IL with right hamstring tightness.

• Mechanical failures on the Toronto Blue Jays’ flight from Phoenix to Anaheim forced the team into a five hour bus ride to their game against the Los Angeles Angels.

• The Tampa Bay Rays have placed reliever Mason Englert on the 15-day IL due to forearm tightness, and will additionally shut down RHP Edwin Uceta for 2-3 weeks after he strained his throwing shoulder.

• New York Mets RHP rookie Nolan McLean will be tasked with breaking the team’s 11-game losing streak in his start today against the Minnesota Twins.

• Infielder Jonathan India has been placed on the Kansas City Royals’ 10-day IL with a left-shoulder subluxation.

• The Minnesota Twins have placed RHP Mick Abel on the 15-day IL due to right elbow inflammation.

• J.J. Cooper at Baseball America highlights the current differences in how radar guns read fastball velocities.