Racing PositionsMateo hits 3-run HR in return to power O's win1hSeager (hamstring) sits in Dodger Stadium return1hMariners' Woo scratched, to have MRI on elbow3hRays' Arozarena scratched, then pinch-hits in 7th33mGuardians' Lively 'good to go' after injury scare4hCubs place rookie RHP Brown (neck strain) on IL4hD-backs' Perdomo returns after 2-month absence5hKC's Renfroe on IL, Frazier on bereavement list6hO's LHP Coulombe goes on IL; IF Mateo returns6hFantasy baseball pitcher rankings, lineup advice for Wednesday's MLB games6hTristan H. Cockcroft