Ekman-Larsson posted two assists, four shots on goal, two blocked shots, two PIM and a plus-2 rating in Wednesday's 6-2 win over the Kings.
Ekman-Larsson has been paired with Jake McCabe this preseason.
Ekman-Larsson signed a four-year, $14 million contract with the Maple Leafs on Monday, according to Elliotte Friedman of Sportsnet.
Ekman-Larsson garnered an assist in a 4-1 Game 2 victory over Edmonton on Monday.
Ekman-Larsson (upper body) will return to action in Game 1 against Tampa Bay on Sunday, Jameson Olive of the Panthers' official site reports.
Ekman-Larsson (upper body) won't play in Tuesday's regular-season finale, Colby Guy of Florida Hockey Now reports.
Ekman-Larsson (upper body) is considered day-to-day ahead of Tuesday's clash with Toronto, Jameson Olive of the Panthers' official site reports.
Ekman-Larsson (upper body) won't return to Saturday's game versus the Sabres.
Ekman-Larsson collected two assists in Thursday's 4-0 win over the Blue Jackets.
Ekman-Larsson (rest) will draw back into the lineup for Thursday's game versus Columbus.