The team posted the photo above on Instagram.
When players returned to their lockers after today's game, they found packages containing their attire – red Scottish kilts and hats. After putting them on – Steven Wright tried to wear a white undershirt but was ordered to take it off – the rookies joined veterans on the field for the Picnic in the Park event at Fenway Park.
A bagpiper was brought in to complete the theme.
The Red Sox close out the regular season this week with games at Colorado Tuesday and Wednesday before a final series at Baltimore Friday-Sunday.