Kris Bryant recently pranked Mesa Community College's baseball team by going undercover and pretending to be "Roy" - a transfer student-athlete from Europe. Bryant is a starting Third baseman for the Chicago Cubs and the 2015 National League Rookie of the Year. These types of pranks are hilarious to partake in and witness first-hand. For those of us watching for body language tells (or for entertainment value), more cameras would have certainly been helpful here.
Note the player second from our left. He has his had on his friend's/teammate's shoulder as they are smiling along with some mild laughter.
From a psychological point-of-view, both smiling and laughing during such events are primarily rapport-building experiences while the humorous aspects are secondary. Laughter and smiling will be amplified and prolonged by making eye contact with others (also seen here). Leaning toward the other person acts as a further bonding agent while touching another person during smiling and laughing. Touch another person during these moments further Amplify these the rapport-bonding experiences.
Straight men tend to touch each other on the shoulder or upper back in these scenarios, while women and gay men have a tendency to touch the other person's forearm or hand - as well as more pronounced upper torso/head leaning and near touching of foreheads.
Nonverbal Communication Analysis No. 3501: Salah Abdeslam of Paris Attacks is Captured - Body Language Traits Shared by Terrorists
Nonverbal Communication Analysis No. 3498: Donald Trump Mocks Chris Christie when criticizing John Kasich
Nonverbal Communication Analysis No. 2670: Janet Yellen Confirmed by Senate for Federal Reserve Chair
Nonverbal Communication Analysis No. 2016: Hillary Clinton, Roosevelt Island, Building Rapport and Body Language
Nonverbal Communication Analysis No. 3452: A Ted Cruz Rapport Destroyer
Nonverbal Communication Analysis No. 2276: Michelle Obama's Eye Roll .... What was she thinking? and What Did Boehner's & Barack's Body Language Say?
Romance, Flirting & Dating Body Language Secret No. 1893: Nonverbal Communication of the Facial Platter
Nonverbal Communication Analysis No. 3389: Vladimir Putin and Barack Obama meet in Paris - Body Language Faux Pas