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.

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.

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.