Outfielder Juan Rivera will begin a rehab assignment Monday in Arizona, and if there are no setbacks, the Angels expect him to have 50-60 at-bats under his belt by the time September gets here -- meaning he could be called up when rosters expand to add punch to the lineup.

Howie Kendrick begins a rehab assignment today in Rancho Cucamonga.

Gary Matthews should be back in center field in Toronto, but due to its turf playing surface, he won't play the field in all three games.